Answer
True statement
Work Step by Step
We apply the Distributive Property:
$(y-1)(y^2+y+1)$
$=(y-1)y^2+(y-1)y+(y-1)1$
$=y^3-y^2+y^2-y+y-1$
$=y^3-1$
Thus, the statement is true.
Introductory Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-805-X
ISBN 13:
978-0-13417-805-9
Chapter 5 - Section 5.2 - Multiplying Polynomials - Exercise Set - Page 360: 119
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