Answer
$P(-3)=-133$
Work Step by Step
Substituting $x$ with $
-3
$ in $
P(x)=3x^3-7x^2-2x+5
$, then
\begin{array}{l}
P(-3)=3(-3)^3-7(-3)^2-2(-3)+5
\\\\
P(-3)=3(-27)-7(9)-2(-3)+5
\\\\
P(-3)=-81-63+6+5
\\\\
P(-3)=-133
.\end{array}
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 6 - Section 6.4 - Dividing Polynomials: Long Division and Synthetic Division - Exercise Set - Page 370: 49
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