Algebra 2 (1st Edition)

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

Chapter 7 Exponential and Logarithmic Functions - 7.3 Use Functions Involving e - 7.3 Exercises - Mixed Review - Page 498: 65



Work Step by Step

Using the quadratic formula, we find: $$x_{1,\:2}=\frac{-\left(-4\right)\pm \sqrt{\left(-4\right)^2-4\cdot \:2\cdot \:9}}{2\cdot \:2} \\ x=1+i\sqrt{\frac{7}{2}},\:x=1-i\sqrt{\frac{7}{2}}$$
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