#### Answer

$4x^{2}-3x+6$

#### Work Step by Step

We are given that $P(x)=3x+3$ and $Q(x)=4x^{2}-6x+3$.
$P(x)+Q(x)=(3x+3)+(4x^{2}-6x+3)$
Combine like terms.
$4x^{2}+(3x-6x)+(3+3)=4x^{2}-3x+6$

Published by
Pearson

ISBN 10:
0321785045

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

$4x^{2}-3x+6$

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