Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 5 - Review: 73

Answer

$x^{2}-9y^{2}$

Work Step by Step

$(x+3y)(x-3y)$ Special product: $a^{2}-b^{2}$ Substitute: $a=x$ and $b=3y$ $(x)^{2}-(3y)^{2}$ Simplify $x^{2}-9y^{2}$
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