Answer
$(b)$
Work Step by Step
On the LHS, we apply $\log_{a}(MN)=\log_{a}M+\log_{a}N,$
$\log_{5}[x(x-2)]=3$
$\log_{5}[x^{2}-2x]=3\qquad $ ..choice $(b)$
Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)
by Bittinger, Marvin L.; Ellenbogen, David J.; Johnson, Barbara L.
Published by
Pearson
ISBN 10:
0-32184-874-8
ISBN 13:
978-0-32184-874-1
Chapter 12 - Exponential Functions and Logarithmic Functions - 12.6 Solving Exponential Equations and Logarithmic Equations - 12.6 Exercise Set - Page 825: 7
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