Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 5 - Review: 108

Answer

$a^2-4b^2$

Work Step by Step

The product of the sum and difference of two terms is the square of the first term minus the square of the second term. $(a + b)(a - b) = a^2 - b^2$ $(a+2b)(a-2b)=(a)^2-(2b)^2=a^2-4b^2$
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