Answer
$x^3-8$
Work Step by Step
$(x-2)(x^2+2x+4)=\\=x(x^2+2x+4)-2(x^2+2x+4)\\=(x^3+2x^2+4x)+(-2x^2-4x-8)\\=x^3-8$
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 5.2 - Multiplication of Polynomials - Exercise Set - Page 337: 26
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