Answer
$(x-1)(x+1)(x^{2}+1)$
Work Step by Step
We factor:
$x^{4}-1=(x^{2})^{2}-1^{2}=(x^{2}-1)(x^{2}+1)
=(x-1)(x+1)(x^{2}+1)$
College Algebra (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0321979478
ISBN 13:
978-0-32197-947-6
Chapter R - Section R.5 - Factoring Polynomials - R.5 Exercises - Page 58: 102
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