Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Chapter 1 - Review Exercises - Page 153: 55


Solutions: $x=-6+\sqrt {11}$ $x=-6-\sqrt {11}$

Work Step by Step

$x^2+12x=-25$ $x^2+2(6)x+6^2=-25+6^2$ $(x+6)^2=-25+36=11$ $x+6=±\sqrt {11}$ $x=-6±\sqrt {11}$
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