Answer
$7x(x+3)(x-3)$
Work Step by Step
By factoring, we get the following difference between two squares
$$
7x^3-63x=7x(x^2-9)=7x(x+3)(x-3)
.$$
Elementary Technical Mathematics
by Nelson, Robert; Eren, Dale;
Published by
Brooks Cole
ISBN 10:
1285199197
ISBN 13:
978-1-28519-919-1
Chapter 10 - Cumulative Review - Page 359: 28
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
