Answer
$P(-2)=-4$
Work Step by Step
Substituting $x$ with $
-2
$ in $
P(x)=4x^3+5x^2-6x-4
$, then
\begin{array}{l}
P(-2)=4(-2)^3+5(-2)^2-6(-2)-4
\\\\
P(-2)=4(-8)+5(4)-6(-2)-4
\\\\
P(-2)=-32+20+12-4
\\\\
P(-2)=-4
.\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: 50
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