Answer
$x(x+1)$ or $x^2+x$
Work Step by Step
RECALL:
$\log_b{x}+\log_b{y} =\log_b{(xy)}$
Use the rule above to obtain:
$\log_3{[x(x+1)]}=2$
Thus, the missing expression in the given statement is:
$x(x+1)$ or, when multiplied, $x^2+x$
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 9 - Section 9.5 - Exponential and Logarithmic Equations - Concept and Vocabulary Check - Page 726: 6
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