Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 5 - Test - Page 402: 11



Work Step by Step

Given: $(2x-5y)(2x+5y)$ Since, $a^2-b^2=(a-b)(a+b)$ Thus, $(2x-5y)(2x+5y)=(2x)^2-(5y)^2$ Hence, $=4x^2-25y^2$
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