Answer
$9t^4-10t^3-5t^2-4t+1$
Work Step by Step
Subtracting $(-7t^4+5t^2-1)$ from $2t^4-10t^3-4t$:
$2t^4-10t^3-4t-(-7t^4+5t^2-1)$
$=2t^4-10t^3-4t+7t^4-5t^2+1$
$=9t^4-10t^3-5t^2-4t+1$
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: 64
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