Answer
$9x^3-4$
Work Step by Step
$7x^3+3$
$2x^3-7$
$- - - -$
$9x^3-4$
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 5.4 - Adding and Subtracting Polynomials - Exercise Set - Page 371: 14
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