Answer
$-21ax^3y^3-28x^3y^4+7x^2y^3z$
Work Step by Step
Using the Distributive Property, the given expression simplifies to
\begin{align*}
&
7x^2y^3(-3ax)+7x^2y^3(-4xy)+7x^2y^3(z)
\\\\&=
-21ax^3y^3-28x^3y^4+7x^2y^3z
.\end{align*}
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 5 - Section 5.4 - Multiplying Polynomials - Exercise Set - Page 289: 20
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