Answer
$x^4-4x^2+4$
Work Step by Step
Using the given functions, then,
\begin{align*}
[Q(x)]^2=(x^2-2)^2
\\=
x^4-4x^2+4
.\end{align*}
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 5 - Section 5.4 - Multiplying Polynomials - Exercise Set - Page 290: 113
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