Answer
$(a+1)^2-b^2$
Work Step by Step
$a^2+2a+1-b^2$
$a^2+a+a+1-b^2$
$a(a+1)+1(a+1)-b^2$
$(a+1)(a+1)-b^2$
$(a+1)^2-b^2$
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 6 - Section 6.5 - Factoring by Special Products - Practice - Page 445: 14
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