Algebra: A Combined Approach (4th Edition)

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

Chapter 5 - Review: 109

Answer

$4x^2-36$

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. $(a + b)(a - b) = a^2 - b^2$ $(2x-6)(2x+6)=(2x)^2-(6)^2=4x^2-36$
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