Algebra: A Combined Approach (4th Edition)

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

Chapter 6 - Review - Page 474: 42



Work Step by Step

4$x^{2}$-28xy+49$y^{2}$=$(2x)^{2}$-(2)(2x)(7y)+$(7y)^{2}$= $(2x-7y)^{2}$
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