Answer
5
Work Step by Step
Solving the equation using the rules of Algebra, we find:
$$\left(\sqrt{5x-8}\right)^2=\left(\sqrt{x+12}\right)^2 \\ 5x-8=x+12 \\ x=5$$
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
Published by
McDougal Littell
ISBN 10:
0618595414
ISBN 13:
978-0-61859-541-9
Chapter 9 Quadratic Relations and Conic Sections - 9.1 Apply the Distance and Midpoint Formulas - 9.1 Exercises - Mixed Review - Page 619: 71
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