Answer
$4(a^2+x^2)$
Work Step by Step
Factoring by taking a common monomial factor, we have
$$
4a^2+4x^2=4(a^2+x^2)
.$$
Elementary Technical Mathematics
by Nelson, Robert; Eren, Dale;
Published by
Brooks Cole
ISBN 10:
1285199197
ISBN 13:
978-1-28519-919-1
Chapter 10 - Review - Page 358: 17
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