Answer
$$25a^2-4b^2$$
Work Step by Step
We have $$(5a-2b)(5a+2b)$$
Multiplicating $$25a^2+10ab-10ab-4b^2$$ $$25a^2-4b^2$$
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 5 - Test - Page 332: 12
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