Answer
$-3x^3-3x^2+14$
Work Step by Step
Substracting $(4x^2-5)$ from $-3x^3+x^2+9$:
$-3x^3+x^2+9-(4x^2-5)$
$=-3x^3+x^2+9-4x^2+5$
$=-3x^3-3x^2+14$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Prerequisites - P.3 - Polynomials and Special Products - Exercises - Page 31: 63
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