Answer
$12a^3+5a^2-20a+14$
Work Step by Step
$(4a+7)(3a^2-4a+2)$
$=4a(3a^2-4a+2)+7(3a^2-4a+2)$
$=12a^3-16a^2+8a+21a^2-28a+14$
$=12a^3+5a^2-20a+14$
Intermediate Algebra: Connecting Concepts through Application
by Clark, Mark; Anfinson, Cynthia
Published by
Brooks Cole
ISBN 10:
0-53449-636-9
ISBN 13:
978-0-53449-636-4
Chapter 3 - Exponents, Polynomials and Functions - 3.2 Combining Functions - 3.2 Exercises - Page 244: 42
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