Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 5 - Section 5.3 - Polynomials and Polynomial Functions - Exercise Set: 45



Work Step by Step

We are asked to subtract $(9y^{2}-7y+5)-(8y^{2}-7y+2)$. To subtract two polynomials, add the opposite of the second polynomial to the first polynomial. $(9y^{2}-7y+5)+(-8y^{2}+7y-2)$ Next, we can combine like terms. $(9y^{2}-8y^{2})+(-7y+7y)+(5-2)=y^{2}+3$
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