Answer
$(x^2+3)(x-5)(x+5)$
Work Step by Step
$x^4-22x^2-75$
$-22x^2=-25x^2+3x^2$
$x^4-22x^2-75$
$x^4-25x^2+3x^2-75$
$x^2(x^2-25)+3(x^2-25)$
$(x^2+3)(x^2-25)$
$(x^2+3)(x-5)(x+5)$
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: 71
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