Algebra 2 (1st Edition)

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

Chapter 4 Quadratic Functions and Factoring - Chapter Test - Page 323: 19



Work Step by Step

Completing the square, we find: $$x^2+4x-14+2^2-2^2 \\ \left(x+2\right)^2-14-2^2 \\ \left(x+2\right)^2-18 \\ x=3\sqrt{2}-2,\:x=-3\sqrt{2}-2$$
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