Answer
$$(x-1+y)(x-1-y)$$
Work Step by Step
We have $$x^2-2x+1-y^2$$
Factorizing $$(x-1)(x-1) -y^2$$ $$(x-1)^2-y^2$$ $$(x-1+y)(x-1-y)$$
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 5 - Review - Page 331: 119
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