## Algebra: A Combined Approach (4th Edition)

Published by Pearson

# Chapter 6 - Review - Page 474: 51

(x-1+y)(x-1-y)

#### Work Step by Step

$x^{2}$-2x+1-$y^{2}$=($x^{2}$-2x+1)-$y^{2}$= $(x-1)^{2}$-$y^{2}$=(x-1+y)(x-1-y)

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