Answer
$\color{blue}{(a-b)(a-b+2)}$
Work Step by Step
Factor out the GCF $a-b$ to obtain:
$=(a-b)[(a-b)+2]
\\=\color{blue}{(a-b)(a-b+2)}$
Precalculus (6th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
013421742X
ISBN 13:
978-0-13421-742-0
Chapter R - Review of Basic Concepts - Test - Page 85: 19
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