Answer
$(y^n-1)(x^n+2)$
Work Step by Step
$x^ny^n-x^n+2y^n-2=\\=x^n(y^n-1)+2(y^n-1)\\=(y^n-1)(x^n+2)$
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 - Section 5.3 - Greatest Common Factors and Factoring by Grouping - Exercise Set - Page 347: 68
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