Functions Modeling Change: A Preparation for Calculus, 5th Edition

Published by Wiley
ISBN 10: 1118583191
ISBN 13: 978-1-11858-319-7

Chapter 5 - Logarithmic Functions - Review Exercises and Problems for Chapter Five - Page 226: 20



Work Step by Step

Using the rules of logarithms, we find: $$\log _{10}\left(x\left(x-1\right)\right)=\log _{10}\left(2\right) \\ x\left(x-1\right)=2 \\ x=2$$ Note, the solution $x=-1$ is ignored because it results in a false statement.
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