Answer
$2(h+1)(h-1)$
Work Step by Step
$2h^{2}-2=$
...factor out the GCF, $2$.
$=2(h^{2}-1)$
...write the difference as $a^{2}-b^{2}$.
$=2(h^{2}-1^{2})$
...factor using the rule for a difference of two squares.
$=2(h+1)(h-1)$
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 8 - Polynomials and Factoring - 8-7 Factoring Special Cases - Practice and Problem-Solving Exercises - Page 527: 36
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