Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 5 - Exponents and Polynomials - Chapter 5 Review Problem Set: 2

Answer

3$y^{2}$ + 11y - 9

Work Step by Step

(7$y^{2}$ + 9y - 3) - (4$y^{2}$ - 2y + 6) = Use the distributive property: 7$y^{2}$ + 9y - 3 - 4$y^{2}$ + 2y - 6 = Group similar terms. (7$y^{2}$ - 4$y^{2}$) + (9y + 2y) + (-3 - 6) = Simplify. 3$y^{2}$ + 11y - 9
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