Answer
$-4x^{2}+9x$
Work Step by Step
We are given that $P(x)=3x+3$ and $Q(x)=4x^{2}-6x+3$.
$P(x)-Q(x)=(3x+3)-(4x^{2}-6x+3)=(3x+3)+(-4x^{2}+6x-3)$
Combine like terms.
$-4x^{2}+(3x+6x)+(3-3)=-4x^{2}+9x$
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: 114
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