Answer
It is a factor
Work Step by Step
$x-1$ is a factor of $f(x)$, if $f(1)=0$
By subtituting x by 1, we get:
$1^3-5\times 1^2+3\times 1 +1=0$.
Therefore, $x-1$ is a factor of $f(x)$
College Algebra (11th Edition)
by Lial, Margaret L.; Hornsby John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
0321671791
ISBN 13:
978-0-32167-179-0
Chapter 3 - Section 3.3 - Zeros of Polynomial Functions - 3.3 Exercises - Page 315: 5
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