Algebra: A Combined Approach (4th Edition)

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

Chapter 5 - Section 5.4 - Adding and Subtracting Polynomials - Exercise Set: 10

Answer

$10.7y^{3}+2.7y^{2}-8.8y+3$

Work Step by Step

$(9.6y^{3}+2.7y^{2}-8.6)+(1.1y^{3}-8.8y+11.6)$ Remove both parentheses: $9.6y^{3}+2.7y^{2}-8.6+1.1y^{3}-8.8y+11.6=...$ Simplify by combining like terms: $...=(9.6+1.1)y^{3}+2.7y^{2}-8.8y+(11.6-8.6)=...$ $...=10.7y^{3}+2.7y^{2}-8.8y+3$
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