Answer
$12x^4+3x^3+27x^2$
Work Step by Step
Using the Distributive Property, the product of the given expression, $
3x^2(4x^2+x+9)
,$ is
\begin{array}{l}\require{cancel}
3x^2(4x^2)+3x^2(x)+3x^2(9)
\\\\=
12x^4+3x^3+27x^2
.\end{array}
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 5.3 - Special Products - Exercise Set - Page 368: 69
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