Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 9 - Quadratic Functions and Equations - 9-4 Factoring to Solve Quadratic Equations - Practice and Problem-Solving Exercises - Page 571: 17


$z=12$ or $z=\frac{-3}{2}$

Work Step by Step

$2z^2-21z-36=0$ $(z-12)(2z+3)=0$ $z-12=0$ or $2z+3=0$ $z=12$ or $z=\frac{-3}{2}$
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