Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 1 - Review Exercises - Page 98: 43

Answer

$9x^2+x$

Work Step by Step

Combine like terms to obtain: $=(7x^2+2x^2) +(5x-4x) \\=(7+2)x^2 + (5-4)x \\=9x^2+x$
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