Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 6 - Section 6.5 - Factoring by Special Products - Exercise Set: 46

Answer

$ (x - 4) (x+4)(x^2 +16)$

Work Step by Step

$x^4 - 256= (x^2)^2 - (16)^2 = (x^2 - 16) (x^2 +16) = ((x)^2 - 4^2)(x^2 +16) = (x - 4) (x+4)(x^2 +16)$
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