Answer
Add: $-12x^2$
Subtract: $-16x^2$
Multiply: $-28x^{4}$
Divide: $-7$
Work Step by Step
Add: $-14x^2+2x^2=-12x^2$
Subtract: $-14x^2-2x^2=-16x^2$
Multiply: $(-14x^2)(2x^2)=-28x^{4}$
Divide: $\frac{-14x^2}{2x^2}=-7$
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 5 - Section 5.5 - Multiplying Polynomials - Exercise Set - Page 380: 78
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