Answer
-12 and 11
Work Step by Step
$x^2+x=132$
$x^2+x-132=0$
$x^2+12x-11x-132=0$
$x(x+12)-11(x+12)=0$
$(x+12)(x-11)=0$
$x+12=0$
$x=-12$
$x-11=0$
$x=11$
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 6 - Section 6.7 - Quadratic Equations and Problem Solving - Exercise Set - Page 466: 21
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