Answer
$x=+5$ or $x=-5$
Work Step by Step
$\ln(x^2-2)=\ln23$
$x^2-2=23$ (One-to-One Property)
$x^2=25$
$x=+5$ or $x=-5$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 5 - 5.2 - Logarithmic Functions and Their Graphs - 5.2 Exercises - Page 379: 78
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