Answer
$7x^3+x^3=8x^3$
Work Step by Step
$7x^3+x^3=(7+1)x^3=8x^3$
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 5 - Section 5.3 - Introduction to Polynomials - Practice - Page 360: 8
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