Answer
$2x^3+x^2-8x$
Work Step by Step
Combine like terms to obtain:
$(2x^3-5x+1)+(x^2-3x-1)
\\=2x^3+x^2+(-5x+(-3x))+(1-1)
\\=2x^3+x^2+(-8x)+0
\\=2x^3+x^2-8x$
Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)
by Bittinger, Marvin L.; Ellenbogen, David J.; Johnson, Barbara L.
Published by
Pearson
ISBN 10:
0-32184-874-8
ISBN 13:
978-0-32184-874-1
Chapter 5 - Polynomials and Factoring - Connecting: The Concepts - Exercises - Page 350: 5
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