Answer
-4.3$a^{4}$-2$a^{2}$+9
Work Step by Step
(4.3$a^{4}$+5)+(-8.6$a^{4}$-2$a^{2}$+4)
=4.3$a^{4}$+5-8.6$a^{4}$-2$a^{2}$+4
=4.3$a^{4}$-8.6$a^{4}$-2$a^{2}$+5+4
=-4.3$a^{4}$-2$a^{2}$+9
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 10 - Section 10.1 - Adding and Subtracting Polynomials - Exercise Set - Page 703: 7
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