Answer
$5x^{3}+3x^{2}-10x-2$
Work Step by Step
Distribute the negative sign:
$=5x^{3}+4x^{2}-3x-x^{2}-7x-2$
Collect the like terms:
$=5x^{3}+(4-1)x^{2}+(-3-7)x-2$
$=5x^{3}+3x^{2}-10x-2$
Precalculus: Mathematics for Calculus, 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305071751
ISBN 13:
978-1-30507-175-9
Chapter 1 - Section 1.3 - Algebraic Expressions - 1.3 Exercises - Page 33: 19
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