Big Ideas Math - Algebra 1, A Common Core Curriculum

Published by Big Ideas Learning LLC
ISBN 10: 978-1-60840-838-2
ISBN 13: 978-1-60840-838-2

Chapter 7 - Polynomial Equations and Factoring - Chapter Review - Page 411: 20

Answer

$y=0$ and $y=9$ and $y=-4$.

Work Step by Step

The given equation is $\Rightarrow 2y(y-9)(y+4)=0$ Use zero-product property rule. $\Rightarrow 2y=0$ or $y-9=0$ or $y+4=0$ Solve for $y$. $\Rightarrow y=0$ or $y=9$ or $y=-4$ Hence, the solutions are $y=0$ and $y=9$ and $y=-4$.
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