Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 5 - Section 5.5 - Multiplying Polynomials - Exercise Set - Page 380: 77

Answer

Add: $-3y^5+9y^4$ Subtract: $-3y^5-9y^4$ Multiply: $-27y^{9}$ Divide: $-\frac{y}{3}$

Work Step by Step

Add: $-3y^5+9y^4=-3y^5+9y^4$ Subtract: $-3y^5-9y^4=-3y^5-9y^4$ Multiply: $(-3y^5)(9y^4)=-27y^{9}$ Divide: $\frac{-3y^5}{9y^4}=-\frac{y}{3}$
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