Answer
-5$x^{3}$-6x
Work Step by Step
Given: (3$x^{3}$-2x)-(8$x^{3}$+4x)
Simplify parenthesis: 3$x^{3}$-2x-8$x^{3}$-4x
Combine like terms: (3$x^{3}$-8$x^{3}$)+(-2x-4x)
Simplify: -5$x^{3}$-6x
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 8 - Polynomials and Factoring - 8-2 Multiplying and Factoring - Practice and Problem-Solving Exercises - Page 496: 51
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