Answer 2.1:2

From Förberedande kurs i matematik 1

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{| width="100%" cellspacing="10px"
{| width="100%" cellspacing="10px"
|a)
|a)
-
|width="50%" | <math>-5x^2+20</math>
+
|width="50%"| <math>-5x^2+20</math>
|b)
|b)
-
|width="50%" | <math>10x-11</math>
+
|width="50%"| <math>10x-11</math>
|-
|-
|c)
|c)
-
|width="50%" | <math>54x</math>
+
|| <math>54x</math>
|d)
|d)
|| <math>81x^8-16</math>
|| <math>81x^8-16</math>

Revision as of 11:43, 31 March 2008

a) \displaystyle -5x^2+20 b) \displaystyle 10x-11
c) \displaystyle 54x d) \displaystyle 81x^8-16
e) \displaystyle 2a^2+2b^2