Answer
$5x^{2}+3x-4$
Work Step by Step
We are given that $P(x)=3x+3$ and $R(x)=5x^{2}-7$.
$R(x)+P(x)=(5x^{2}-7)+(3x+3)$
Combine like terms.
$5x^{2}+3x+(-7+3)=5x^{2}+3x-4$
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 5 - Section 5.3 - Polynomials and Polynomial Functions - Exercise Set - Page 281: 112
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