Answer
$x^3-1$
Work Step by Step
$(x-1)(x^2+x+1)=\\=x(x^2+x+1)-(x^2+x+1)\\=x^3+x^2+x-x^2-x-1\\=x^3-1$
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: 25
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