Answer
$$(x+\sqrt {8})(x-\sqrt {8})(x^2+2)$$
Work Step by Step
We have $$x^4-6x^2-16$$
Factorizing $$(x^2-8)(x^2+2)$$ $$(x+\sqrt {8})(x-\sqrt {8})(x^2+2)$$
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 5 - Review - Page 331: 103
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