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 - Chapter Test - Page 607: 17


$x=1$ or $x=-\frac{7}{3}$

Work Step by Step

We are given $12x^2+16x-28=0$ $3x^2+4x-7=0$ $(x-1)(3x+7)=0$ $x-1=0$ or $3x+7=0$ $x=1$ or $x=-\frac{7}{3}$
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