Answer
$(x^2+2)(x-4)(x+4)$
Work Step by Step
$x^4-14x^2-32$
$14=16-2$
$x^4-14x^2-32$
$x^4-(16-2)x^2-32$
$x^4-16x^2+2x^2-32$
$x^2(x^2-16)+2(x^2-16)$
$(x^2+2)(x^2-16)$
$(x^2+2)(x-4)(x+4)$
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 6 - Section 6.5 - Integrated Review - Choosing a Factoring Strategy - Page 451: 73
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