Answer
$(x-y-1)(x+y-1)$
Work Step by Step
Given:$(x-1)^2-y^2$
Equation can be written as:
Since, $a^2-b^2=(a-b)(a+b)$
or, $(x-1-y)(x-1+y)$
Hence, $(x-y-1)(x+y-1)$
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 5 - Review Exercises - Page 400: 55
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