Answer
$5x^{2}$
Work Step by Step
$7x^{2}+8x^{2}-10x^{2}$
Combine like terms (same base + same exponent = like terms)
$7x^{2}+8x^{2}-10x^{2}=5x^{2}$
$$5x^{2}$$
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 1 - Section 1.8 - Simplifying Expressions - Exercise Set - Page 80: 19
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