Answer
$3x^3+4x^2-39x+40$
Work Step by Step
$(3x-5)(x^2+3x-8)=3x\cdot x^2+3x\cdot3x+3x\cdot(-8)-5\cdot x^2-5\cdot3x-5\cdot(-8)=3x^3+9x^2-24x-5x^2-15x+40=3x^3+4x^2-39x+40$
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 - Mid-Chapter Check Point - Page 364: 4
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