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: 18


$x=2$ or $x=-8$

Work Step by Step

We are given $x^2+6x+9=25$ $x^2+6x-16=0$ $(x-2)(x+78)=0$ $x-2=0$ or $x+8=0$ $x=2$ or $x=-8$
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