Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 10 - Section 10.2 - Integrated Review - Operations on Polynomials: 5

Answer

$=-2a^{4}+3a^{2}+9a$

Work Step by Step

$(a^{4}+5a)-(3a^{4}-3a^{2}-4a)$ $=a^{4}+5a-3a^{4}+3a^{2}+4a$ $=a^{4}-3a^{4}+3a^{2}+5a+4a$ $=-2a^{4}+3a^{2}+9a$
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