Answer
$$4x(x-1)(x+1)
.$$
Work Step by Step
Taking a common monomial factor, we get
$$4x^3-4x=4x(x^2-1).$$
Factoring the difference of two squares, we have
$$
4x^3-4x=4x(x^2-1)=4x(x-1)(x+1)
.$$
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: 39
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