document.write( "Question 305970: 2 log 3 + log 5 - log 15 \n" ); document.write( "
Algebra.Com's Answer #219091 by Alan3354(69443)\"\" \"About 
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2 log 3 + log 5 - log 15
\n" ); document.write( "= log(9) + log(5) - log(15)
\n" ); document.write( "= log(9*5/15)
\n" ); document.write( "= log(3)
\n" ); document.write( "--------
\n" ); document.write( "The other tutor had the right answer, but he had a log(15) in the denominator.
\n" ); document.write( "That's not right. Only the argument, 15, is in the denominator.
\n" ); document.write( "He also shows multiplication of logs in the numerator, be careful about that.
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