Algebra: A Combined Approach (4th Edition)

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

Chapter 6 - Cumulative Review - Page 480: 39

Answer

$x^{4}$-14$x^{2}$y+49$y^{2}$

Work Step by Step

=$x^{4}$-2$x^{2}$(7y)+$(7y)^{2}$= $x^{4}$-14$x^{2}$y+49$y^{2}$
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