Answer
$0$
Work Step by Step
If $x=4$, the second factor is $0$, so because a factor is $0$, the result is zero.
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 5 - Section 5.6 - A General Factoring Strategy - Exercise Set - Page 380: 110
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