Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 6 - Review - Page 474: 59


The solution is -5.

Work Step by Step

$x^{2}$+10x=-25 $x^{2}$+10x+25=-25+25 $x^{2}$+10x+25=0 $x^{2}$+2*5*x+$5^{2}$=0 $(x+5)^{2}$=0 x+5=0 x+5-5=0-5 x=-5 The solution is -5. Check Let x=-5 $x^{2}$+10x=-25 $(-5)^{2}$+10(-5)=-25 25-50=-25 -25=-25
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