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: 24

Answer

$y^2-13y+36$

Work Step by Step

RECALL For any real numbers a, b, and c: $a(b-c)=ab - ac$ Use the distributive property (which is shown above) to obtain: $=y(y-9) - 4(y-9) \\=y(y) - y(9) - 4(y) - 4(-9) \\=y^2-9y-4y-(-36) \\=y^2-13y+36$
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