Algebra: A Combined Approach (4th Edition)

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

Chapter 5 - Section 5.6 - Special Products - Exercise Set: 53

Answer

81$x^{2}$ - $y^{2}$

Work Step by Step

( 9x + y ) ( 9x - y ) the sum and difference of the two terms $(9x)^{2}$ - $y^{2}$ 81$x^{2}$ - $y^{2}$
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