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 - Page 447: 27

Answer

$ (x^2 + 2)^2$

Work Step by Step

$x^4+4x^2+4 = (x^2)^2 + 2 \times x^2 \times 2 + 2^2 = ((x^2) + 2)^2 = (x^2 + 2)^2$
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