Answer
$-12k^3-42k$
Work Step by Step
Using $a(b+c)=ab+ac$ or the Distributive Property, the product of the given expression, $
-6k(2k^2+7)
,$ is
\begin{array}{l}\require{cancel}
-6k(2k^2)-6k(7)
\\\\=
-12k^3-42k
.\end{array}
Intermediate Algebra (12th Edition)
by Lial, Margaret L.; Hornsby, John; McGinnis, Terry
Published by
Pearson
ISBN 10:
0321969359
ISBN 13:
978-0-32196-935-4
Chapter 4 - Review Exercises - Page 318: 54
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