#### 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.
$5x^{2}+3x+(-7+3)=5x^{2}+3x-4$

Published by
Pearson

ISBN 10:
0321785045

ISBN 13:
978-0-32178-504-6

$5x^{2}+3x-4$

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