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		<title>Lösung 2.3:3a - Versionsgeschichte</title>
		<link>http://wiki.sommarmatte.se/wikis/2009/bridgecourse1-TU-Berlin/index.php?title=L%C3%B6sung_2.3:3a&amp;action=history</link>
		<description>Versionsgeschichte für diese Seite in Online Mathematik Brückenkurs 1</description>
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			<title>Markus.bez um 12:43, 9. Jun. 2009</title>
			<link>http://wiki.sommarmatte.se/wikis/2009/bridgecourse1-TU-Berlin/index.php?title=L%C3%B6sung_2.3:3a&amp;diff=9061&amp;oldid=prev</link>
			<description>&lt;p&gt;&lt;/p&gt;

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				&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;← Nächstältere Version&lt;/td&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;Version vom 12:43, 9. Jun. 2009&lt;/td&gt;
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		&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Zeile 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Zeile 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;-&lt;/td&gt;&lt;td style=&quot;background: #ffa; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;Die linke Seite der Gleichung besteht aus den &lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;zwe &lt;/del&gt;Faktoren ''x'' und ''x''&amp;amp;nbsp;+&amp;amp;nbsp;3. Damit deren Produkt null werden soll, muss entweder ''x'' oder ''x''&amp;amp;nbsp;+&amp;amp;nbsp;3 null sein. Daher erhalten wir die Lösungen ''x''&amp;amp;nbsp;=&amp;amp;nbsp;0 und ''x''&amp;amp;nbsp;=&amp;amp;nbsp;-3.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;Die linke Seite der Gleichung besteht aus den &lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;zwei &lt;/ins&gt;Faktoren ''x'' und ''x''&amp;amp;nbsp;+&amp;amp;nbsp;3. Damit deren Produkt null werden soll, muss entweder ''x'' oder ''x''&amp;amp;nbsp;+&amp;amp;nbsp;3 null sein. Daher erhalten wir die Lösungen ''x''&amp;amp;nbsp;=&amp;amp;nbsp;0 und ''x''&amp;amp;nbsp;=&amp;amp;nbsp;-3.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
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			<pubDate>Tue, 09 Jun 2009 12:43:42 GMT</pubDate>			<dc:creator>Markus.bez</dc:creator>			<comments>http://wiki.sommarmatte.se/wikis/2009/bridgecourse1-TU-Berlin/index.php/Diskussion:L%C3%B6sung_2.3:3a</comments>		</item>
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			<title>Martin um 15:06, 16. Mär. 2009</title>
			<link>http://wiki.sommarmatte.se/wikis/2009/bridgecourse1-TU-Berlin/index.php?title=L%C3%B6sung_2.3:3a&amp;diff=8442&amp;oldid=prev</link>
			<description>&lt;p&gt;&lt;/p&gt;

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				&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;← Nächstältere Version&lt;/td&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;Version vom 15:06, 16. Mär. 2009&lt;/td&gt;
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		&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Zeile 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Zeile 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;-&lt;/td&gt;&lt;td style=&quot;background: #ffa; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;The left-hand side of the equation consists of two factors, &lt;/del&gt;''x'' &lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;and &lt;/del&gt;''x''&amp;amp;nbsp;+&amp;amp;nbsp;3. &lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;The only possibilities that their product is zero are if either &lt;/del&gt;''x'' &lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;or &lt;/del&gt;''x''&amp;amp;nbsp;+&amp;amp;nbsp;3 &lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;is zero&lt;/del&gt;. &lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;Hence, the equation has the solutions &lt;/del&gt;''x''&amp;amp;nbsp;=&amp;amp;nbsp;0 &lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;and &lt;/del&gt;''x''&amp;amp;nbsp;=&amp;amp;nbsp;-3.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;Die linke Seite der Gleichung besteht aus den zwe Faktoren &lt;/ins&gt;''x'' &lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;und &lt;/ins&gt;''x''&amp;amp;nbsp;+&amp;amp;nbsp;3. &lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;Damit deren Produkt null werden soll, muss entweder &lt;/ins&gt;''x'' &lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;oder &lt;/ins&gt;''x''&amp;amp;nbsp;+&amp;amp;nbsp;3 &lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;null sein&lt;/ins&gt;. &lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;Daher erhalten wir die Lösungen &lt;/ins&gt;''x''&amp;amp;nbsp;=&amp;amp;nbsp;0 &lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;und &lt;/ins&gt;''x''&amp;amp;nbsp;=&amp;amp;nbsp;-3.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
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			<pubDate>Mon, 16 Mar 2009 15:06:20 GMT</pubDate>			<dc:creator>Martin</dc:creator>			<comments>http://wiki.sommarmatte.se/wikis/2009/bridgecourse1-TU-Berlin/index.php/Diskussion:L%C3%B6sung_2.3:3a</comments>		</item>
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			<title>Tekbot: hat „Solution 2.3:3a“ nach „Lösung 2.3:3a“ verschoben: Robot: moved page</title>
			<link>http://wiki.sommarmatte.se/wikis/2009/bridgecourse1-TU-Berlin/index.php?title=L%C3%B6sung_2.3:3a&amp;diff=7369&amp;oldid=prev</link>
			<description>&lt;p&gt;hat „&lt;a href=&quot;/wikis/2009/bridgecourse1-TU-Berlin/index.php?title=Solution_2.3:3a&amp;amp;action=edit&quot; class=&quot;new&quot; title=&quot;Solution 2.3:3a&quot;&gt;Solution 2.3:3a&lt;/a&gt;“ nach „&lt;a href=&quot;/wikis/2009/bridgecourse1-TU-Berlin/index.php/L%C3%B6sung_2.3:3a&quot; title=&quot;Lösung 2.3:3a&quot;&gt;Lösung 2.3:3a&lt;/a&gt;“ verschoben: Robot: moved page&lt;/p&gt;

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				&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;← Nächstältere Version&lt;/td&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;Version vom 14:08, 22. Okt. 2008&lt;/td&gt;
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			<pubDate>Wed, 22 Oct 2008 14:08:25 GMT</pubDate>			<dc:creator>Tekbot</dc:creator>			<comments>http://wiki.sommarmatte.se/wikis/2009/bridgecourse1-TU-Berlin/index.php/Diskussion:L%C3%B6sung_2.3:3a</comments>		</item>
		<item>
			<title>Tek um 08:27, 29. Sep. 2008</title>
			<link>http://wiki.sommarmatte.se/wikis/2009/bridgecourse1-TU-Berlin/index.php?title=L%C3%B6sung_2.3:3a&amp;diff=5587&amp;oldid=prev</link>
			<description>&lt;p&gt;&lt;/p&gt;

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				&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;← Nächstältere Version&lt;/td&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;Version vom 08:27, 29. Sep. 2008&lt;/td&gt;
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		&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Zeile 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Zeile 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;-&lt;/td&gt;&lt;td style=&quot;background: #ffa; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;The left-hand side of the equation consists of two factors, &lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;The left-hand side of the equation consists of two factors, &lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;''&lt;/ins&gt;x&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;'' &lt;/ins&gt;and &lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;''&lt;/ins&gt;x&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;''&amp;amp;nbsp;&lt;/ins&gt;+&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;nbsp;&lt;/ins&gt;3. The only possibilities that their product is zero are if either &lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;''&lt;/ins&gt;x&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;'' &lt;/ins&gt;or &lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;''&lt;/ins&gt;x&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;''&amp;amp;nbsp;&lt;/ins&gt;+&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;nbsp;&lt;/ins&gt;3 is zero. Hence, the equation has the solutions &lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;''&lt;/ins&gt;x&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;''&amp;amp;nbsp;&lt;/ins&gt;=&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;nbsp;&lt;/ins&gt;0 and &lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;''&lt;/ins&gt;x&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;''&amp;amp;nbsp;&lt;/ins&gt;=&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;&amp;amp;nbsp;&lt;/ins&gt;-3.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;-&lt;/td&gt;&lt;td style=&quot;background: #ffa; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;math&amp;gt;&lt;/del&gt;x&lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;/math&amp;gt;&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;-&lt;/td&gt;&lt;td style=&quot;background: #ffa; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;and &lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;-&lt;/td&gt;&lt;td style=&quot;background: #ffa; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;math&amp;gt;&lt;/del&gt;x+&lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;\text{&lt;/del&gt;3&lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;}&amp;lt;/math&amp;gt;&lt;/del&gt;. The only possibilities that their product is zero are if either &lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;-&lt;/td&gt;&lt;td style=&quot;background: #ffa; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;math&amp;gt;&lt;/del&gt;x&lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;/math&amp;gt;&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;-&lt;/td&gt;&lt;td style=&quot;background: #ffa; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;or &lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;-&lt;/td&gt;&lt;td style=&quot;background: #ffa; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;math&amp;gt;&lt;/del&gt;x+&lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;\text{&lt;/del&gt;3&lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;}&amp;lt;/math&amp;gt;&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;-&lt;/td&gt;&lt;td style=&quot;background: #ffa; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;is zero. Hence , the equation has the solutions &lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;-&lt;/td&gt;&lt;td style=&quot;background: #ffa; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;math&amp;gt;&lt;/del&gt;x=0&lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;\text{ }&amp;lt;/math&amp;gt;&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;-&lt;/td&gt;&lt;td style=&quot;background: #ffa; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;and &lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;-&lt;/td&gt;&lt;td style=&quot;background: #ffa; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;math&amp;gt;&lt;/del&gt;x=-&lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;\text{&lt;/del&gt;3&lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;}&amp;lt;/math&amp;gt;&lt;/del&gt;.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</description>
			<pubDate>Mon, 29 Sep 2008 08:27:04 GMT</pubDate>			<dc:creator>Tek</dc:creator>			<comments>http://wiki.sommarmatte.se/wikis/2009/bridgecourse1-TU-Berlin/index.php/Diskussion:L%C3%B6sung_2.3:3a</comments>		</item>
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			<title>Ian um 14:49, 20. Sep. 2008</title>
			<link>http://wiki.sommarmatte.se/wikis/2009/bridgecourse1-TU-Berlin/index.php?title=L%C3%B6sung_2.3:3a&amp;diff=5295&amp;oldid=prev</link>
			<description>&lt;p&gt;&lt;/p&gt;

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				&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;← Nächstältere Version&lt;/td&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;Version vom 14:49, 20. Sep. 2008&lt;/td&gt;
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		&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Zeile 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Zeile 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;-&lt;/td&gt;&lt;td style=&quot;background: #ffa; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;{&lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;{NAVCONTENT_START&lt;/del&gt;}&lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;}&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;The left-hand side of the equation consists of two factors, &lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;-&lt;/td&gt;&lt;td style=&quot;background: #ffa; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&amp;lt;&lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;center&lt;/del&gt;&amp;gt; &lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;[[Image:2_3_3a&lt;/del&gt;.&lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;gif]] &lt;/del&gt;&amp;lt;/&lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;center&lt;/del&gt;&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;math&amp;gt;x&amp;lt;/math&amp;gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;-&lt;/td&gt;&lt;td style=&quot;background: #ffa; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;{{&lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;NAVCONTENT_STOP&lt;/del&gt;}}&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;and &lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;nbsp;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;math&amp;gt;x+\text&lt;/ins&gt;{&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;3&lt;/ins&gt;}&amp;lt;&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;/math&lt;/ins&gt;&amp;gt;. &lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;The only possibilities that their product is zero are if either &lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;nbsp;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;math&amp;gt;x&lt;/ins&gt;&amp;lt;/&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;math&lt;/ins&gt;&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;nbsp;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;or &lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;nbsp;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;math&amp;gt;x+\text&lt;/ins&gt;{&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;3}&amp;lt;/math&amp;gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;nbsp;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;is zero. Hence , the equation has the solutions &lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;nbsp;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;math&amp;gt;x=0\text&lt;/ins&gt;{ }&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;/math&amp;gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;nbsp;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;and &lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;nbsp;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;math&amp;gt;x=-\text{3&lt;/ins&gt;}&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;/math&amp;gt;.&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</description>
			<pubDate>Sat, 20 Sep 2008 14:49:03 GMT</pubDate>			<dc:creator>Ian</dc:creator>			<comments>http://wiki.sommarmatte.se/wikis/2009/bridgecourse1-TU-Berlin/index.php/Diskussion:L%C3%B6sung_2.3:3a</comments>		</item>
		<item>
			<title>Tekbot: Lösning 2.3:3a moved to Solution 2.3:3a: Robot: moved page</title>
			<link>http://wiki.sommarmatte.se/wikis/2009/bridgecourse1-TU-Berlin/index.php?title=L%C3%B6sung_2.3:3a&amp;diff=3351&amp;oldid=prev</link>
			<description>&lt;p&gt;&lt;a href=&quot;/wikis/2009/bridgecourse1-TU-Berlin/index.php?title=L%C3%B6sning_2.3:3a&amp;amp;action=edit&quot; class=&quot;new&quot; title=&quot;Lösning 2.3:3a&quot;&gt;Lösning 2.3:3a&lt;/a&gt; moved to &lt;a href=&quot;/wikis/2009/bridgecourse1-TU-Berlin/index.php?title=Solution_2.3:3a&amp;amp;action=edit&quot; class=&quot;new&quot; title=&quot;Solution 2.3:3a&quot;&gt;Solution 2.3:3a&lt;/a&gt;: Robot: moved page&lt;/p&gt;

			&lt;table style=&quot;background-color: white; color:black;&quot;&gt;
			&lt;col class='diff-marker' /&gt;
			&lt;col class='diff-content' /&gt;
			&lt;col class='diff-marker' /&gt;
			&lt;col class='diff-content' /&gt;
			&lt;tr&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;← Nächstältere Version&lt;/td&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;Version vom 08:58, 9. Sep. 2008&lt;/td&gt;
			&lt;/tr&gt;
		&lt;/table&gt;</description>
			<pubDate>Tue, 09 Sep 2008 08:58:03 GMT</pubDate>			<dc:creator>Tekbot</dc:creator>			<comments>http://wiki.sommarmatte.se/wikis/2009/bridgecourse1-TU-Berlin/index.php/Diskussion:L%C3%B6sung_2.3:3a</comments>		</item>
		<item>
			<title>Tekbot: Robot: Automated text replacement  (-[[Bild: +[[Image:)</title>
			<link>http://wiki.sommarmatte.se/wikis/2009/bridgecourse1-TU-Berlin/index.php?title=L%C3%B6sung_2.3:3a&amp;diff=2283&amp;oldid=prev</link>
			<description>&lt;p&gt;Robot: Automated text replacement  (-[[Bild: +[[Image:)&lt;/p&gt;

			&lt;table style=&quot;background-color: white; color:black;&quot;&gt;
			&lt;col class='diff-marker' /&gt;
			&lt;col class='diff-content' /&gt;
			&lt;col class='diff-marker' /&gt;
			&lt;col class='diff-content' /&gt;
			&lt;tr&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;← Nächstältere Version&lt;/td&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;Version vom 06:46, 21. Aug. 2008&lt;/td&gt;
			&lt;/tr&gt;
		&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Zeile 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Zeile 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;{{NAVCONTENT_START}}&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;{{NAVCONTENT_START}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;-&lt;/td&gt;&lt;td style=&quot;background: #ffa; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&amp;lt;center&amp;gt; [[&lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;Bild&lt;/del&gt;:2_3_3a.gif]] &amp;lt;/center&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&amp;lt;center&amp;gt; [[&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;Image&lt;/ins&gt;:2_3_3a.gif]] &amp;lt;/center&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;{{NAVCONTENT_STOP}}&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;{{NAVCONTENT_STOP}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</description>
			<pubDate>Thu, 21 Aug 2008 06:46:09 GMT</pubDate>			<dc:creator>Tekbot</dc:creator>			<comments>http://wiki.sommarmatte.se/wikis/2009/bridgecourse1-TU-Berlin/index.php/Diskussion:L%C3%B6sung_2.3:3a</comments>		</item>
		<item>
			<title>Oskar: Ny sida: {{NAVCONTENT_START}} &lt;center&gt; Bild:2_3_3a.gif &lt;/center&gt; {{NAVCONTENT_STOP}}</title>
			<link>http://wiki.sommarmatte.se/wikis/2009/bridgecourse1-TU-Berlin/index.php?title=L%C3%B6sung_2.3:3a&amp;diff=756&amp;oldid=prev</link>
			<description>&lt;p&gt;Ny sida: {{NAVCONTENT_START}} &amp;lt;center&amp;gt; &lt;a href=&quot;/wikis/2009/bridgecourse1-TU-Berlin/index.php/Bild:2_3_3a.gif&quot; title=&quot;Bild:2 3 3a.gif&quot;&gt;Bild:2_3_3a.gif&lt;/a&gt; &amp;lt;/center&amp;gt; {{NAVCONTENT_STOP}}&lt;/p&gt;
&lt;p&gt;&lt;b&gt;Neue Seite&lt;/b&gt;&lt;/p&gt;&lt;div&gt;{{NAVCONTENT_START}}&lt;br /&gt;
&amp;lt;center&amp;gt; [[Bild:2_3_3a.gif]] &amp;lt;/center&amp;gt;&lt;br /&gt;
{{NAVCONTENT_STOP}}&lt;/div&gt;</description>
			<pubDate>Tue, 01 Apr 2008 10:01:02 GMT</pubDate>			<dc:creator>Oskar</dc:creator>			<comments>http://wiki.sommarmatte.se/wikis/2009/bridgecourse1-TU-Berlin/index.php/Diskussion:L%C3%B6sung_2.3:3a</comments>		</item>
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