Answer
$3x^3+2x^2+33$
Work Step by Step
Like terms are terms whose variables (and their exponents such as the $5$ in $53*x^5$) are the same. In other words, terms that are "like" each other.
Thus,
$(3x^2-x^2)+(40-7)+3x^3 = 3x^3+2x^2+33$
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 1, Equations and Inequalities - Chapter Review - Page 61: 4
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