#### Answer

$\log_{3}[x(x+1)]$

#### Work Step by Step

If $\log_{3}x+\log_{3}(x+1)=2$, then $\log_{3}[x(x+1)]=2$.
This is mentioned on page 485.

Published by
Pearson

ISBN 10:
0-32178-228-3

ISBN 13:
978-0-32178-228-1

$\log_{3}[x(x+1)]$

If $\log_{3}x+\log_{3}(x+1)=2$, then $\log_{3}[x(x+1)]=2$.
This is mentioned on page 485.

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