Answer
$15x^2-7x-2$
Work Step by Step
Using the Distributive Property, the given expression simplifies to
\begin{align*}
&
[3x(5x)+3x(1)]+[-2(5x)-2(1)]
\\&=
[15x^2+3x]+[-10x-2]
\\&=
15x^2+(3x-10x)-2
\\&=
15x^2-7x-2
.\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: 15
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