Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 6 Rational Exponents and Radical Functions - 6.5 Graph Square Root and Cube Root Functions - 6.5 Exercises - Mixed Review - Page 451: 41



Work Step by Step

Solving the equation by isolating $x$, we find: $$\frac{1}{5}\left(x+8\right)^2=3 \\ \left(x+8\right)^2=15 \\ x=\sqrt{15}-8,\:x=-\sqrt{15}-8$$
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