College Algebra (11th Edition)

Published by Pearson
ISBN 10: 0321671791
ISBN 13: 978-0-32167-179-0

Chapter R - Section R.3 - Polynomials - R.3 Exercises: 44

Answer

-6$x^{3}$ - 3$x^{2}$ - 4x + 4

Work Step by Step

1. Distribute negative signs -(8$x^{3}$ + x - 3) + (2$x^{3}$ + $x^{2}$) - (4$x^{2}$ + 3x - 1) = -8$x^{3}$ - x + 3 + 2$x^{3}$ + $x^{2}$ - 4$x^{2}$ - 3x + 1 2. Group like terms together. (-8$x^{3}$ + 2$x^{3}$) + ($x^{2}$- 4$x^{2}$) + (-x - 3x) + (3 + 1) 3. Add like terms. -6$x^{3}$ - 3$x^{2}$ - 4x + 4
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