Answer
$x^{2}$ - x + 2
Work Step by Step
(5$x^{2}$ - 4x + 7) + (-4$x^{2}$ + 3x - 5)
Group like terms together.
(5$x^{2}$ - 4$x^{2}$) + (-4x + 3x) + (7 - 5)
Add like terms.
$x^{2}$ - x + 2
College Algebra (11th Edition)
by Lial, Margaret L.; Hornsby John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
0321671791
ISBN 13:
978-0-32167-179-0
Chapter R - Section R.3 - Polynomials - R.3 Exercises - Page 29: 39
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