Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 12 - Data Analysis and Probability - 12-3 Measures of Central Tendency and Dispersion - Standardized Test Prep - Page 732: 42



Work Step by Step

$x^2+4x=5$ $x^2+4x-5=0$ $x^2+5x-x-5=0$ $x(x+5)-1(x+5)=0$ $(x-1)(x+5)=0$ $x-1=0$ $x=1$ $x+5=0$ $x=-5$
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