Algebra 1: Common Core (15th Edition)

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

Chapter 11 - Rational Expressions and Functions - Get Ready! - Page 661: 9


$x=9$ or $x=-7$

Work Step by Step

$x^2-2x-63=0$ $x^2+7x-9x-63=0$ $x(x+7)-9(x+7)=0$ $(x-9)(x+7)=0$ $x-9=0$ or $x+7=0$ $x=9$ or $x=-7$
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