Answer
$x^3-y^3$
Work Step by Step
RECALL:
$(a-b)(a^2+ab+b^2) = a^3-b^3$
Multiply the given expression using the formula above with $a=x$ and $b=y$ to obtain:
$=x^3-y^3$
Precalculus (6th Edition) Blitzer
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13446-914-3
ISBN 13:
978-0-13446-914-0
Chapter P - Section P.4 - Polynomials - Exercise Set - Page 56: 69
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