Answer
$$-2x^2 +7x$$
Work Step by Step
We combine like terms to obtain:
$$ (3-5)x^2 + (12+3-8) x \\ -2x^2 +7x$$
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
Published by
McDougal Littell
ISBN 10:
0618595414
ISBN 13:
978-0-61859-541-9
Chapter 3 Linear Systems and Matrices - Cumulative Review Chapters 1-3 - Page 232: 1
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