Answer
$=-6a^{3}+9a+15a$
Work Step by Step
$-3a(2a^{2}-3a-5)$
$=(-3a)(2a^{2})+(-3a)(-3a)+(-3a)(-5)$
$=-6a^{3}+9a+15a$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 10 - Section 10.3 - Multiplying Polynomials - Exercise Set - Page 717: 3
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