Answer
$(x-1)(x+1)(x-3)(x+3)$
Work Step by Step
$x^{2}(x^{2}-1)-9(x^{2}-1)=(x^{2}-1)(x^{2}-9)=(x-1)(x+1)(x-3)(x+3)$
College Algebra 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305115546
ISBN 13:
978-1-30511-554-5
Chapter P, Prerequisites - Section P.6 - Factoring - P.6 Exercises - Page 43: 101
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