Answer
n$^3$+2
Work Step by Step
Distribute the negative sign to the parentheses and then combine like terms.
(7n$^3$-n$^7$-8)-(6n$^3$-n$^7$-10)
7n$^3$-n$^7$-8-6n$^3$+n$^7$+10
(7n$^3$-6n$^3$)+(-n$^7$+n$^7$)+(-8+10)
n$^3$+0+2
n$^3$+2
Introductory Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-805-X
ISBN 13:
978-0-13417-805-9
Chapter 5 - Section 5.1 - Adding and Subtracting Polynomials - Exercise Set - Page 349: 67
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