#### Answer

$a^2+2ab+b^2$

#### Work Step by Step

Given $(a+b)^2 \\
(a+b)(a+b) \\
a(a+b)+b(a+b) \\
a^2+ab+ab+b^2 \\
a^2+2ab+b^2 $

Published by
Pearson

ISBN 10:
0321726391

ISBN 13:
978-0-32172-639-1

$a^2+2ab+b^2$

Given $(a+b)^2 \\
(a+b)(a+b) \\
a(a+b)+b(a+b) \\
a^2+ab+ab+b^2 \\
a^2+2ab+b^2 $

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