Answer
$log_3(x^9)$
Work Step by Step
$21log_3\sqrt[3] x+log_3(9x^2)-log_39=log_3[\frac{x^{21/3}}{1}\cdot 9x^2 \cdot \frac{1}{9}]=log_3(x^9)$
Precalculus (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0-32197-907-9
ISBN 13:
978-0-32197-907-0
Chapter 5 - Exponential and Logarithmic Functions - 5.5 Properties of Logarithms - 5.5 Assess Your Understanding - Page 305: 66
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