Answer
Solutions:
$x=-6+\sqrt {11}$
$x=-6-\sqrt {11}$
Work Step by Step
$x^2+12x=-25$
$x^2+2(6)x+6^2=-25+6^2$
$(x+6)^2=-25+36=11$
$x+6=±\sqrt {11}$
$x=-6±\sqrt {11}$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 1 - Review Exercises - Page 153: 55
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