Answer
$(5x+3)(5x-3)$
Work Step by Step
Use the formula $a^2-b^2=(a+b)(a-b)$ to factor this problem.
$25x^2-9$
$(5x+3)(5x-3)$
College Algebra (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-32178-228-3
ISBN 13:
978-0-32178-228-1
Chapter P - Summary, Review, and Test - Test - Page 91: 21
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