Answer
$5x(x^2-3)$
Work Step by Step
We factor as follows:
$$
5x^3 - 15x=5x(x^2-3)
.$$
Note that we did not factor $x^2-3$ because 3 is not a perfect square.
Elementary Technical Mathematics
by Nelson, Robert; Eren, Dale;
Published by
Brooks Cole
ISBN 10:
1285199197
ISBN 13:
978-1-28519-919-1
Chapter 12 - Cumulative Review - Page 447: 17
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