Answer
$4x^3-13x^2+22x+5$
Work Step by Step
$-2f(x)-3h(x)=\\=-2(x^3-x^2-5x-4)-3(-2x^3+5x^2-4x+1)\\=-2x^3+2x^2+10x+8+6x^3-15x^2+12x-3\\=4x^3-13x^2+22x+5$
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 5 - Section 5.1 - Introduction to Polynomials and Polynomial Functions - Exercise Set - Page 325: 64
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