Answer
$-4a^{3}-12a^{2}$
Work Step by Step
$(2a^{3}-6a^{2}+11)-(6a^{3}+6a^{2}+11)$
$=2a^{3}-6a^{2}+11-6a^{3}-6a^{2}-11$
$=2a^{3}-6a^{3}-6a^{2}-6a^{2}+11-11$
$=-4a^{3}-12a^{2}$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 10 - Section 10.2 - Integrated Review - Operations on Polynomials - Page 712: 6
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