Solution 2.3:3b

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m (Lösning 2.3:3b moved to Solution 2.3:3b: Robot: moved page)
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The equation's left-hand side is zero only when one of the factors
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<center> [[Image:2_3_3b.gif]] </center>
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<math>x-\text{3 }</math>
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or
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<math>x+\text{5}</math>
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is zero, i.e. the solution to the equations is
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<math>x=\text{3 }</math>
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and
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<math>x=-\text{5}</math>.

Revision as of 14:51, 20 September 2008

The equation's left-hand side is zero only when one of the factors \displaystyle x-\text{3 } or \displaystyle x+\text{5} is zero, i.e. the solution to the equations is \displaystyle x=\text{3 } and \displaystyle x=-\text{5}.