document.write( "Question 310542: Express as a single logarithm.Simplify if possible.\r
\n" ); document.write( "\n" ); document.write( "\"+log+%28a%2C+2%29+\" + 4 \"+log+%28a%2C+y%29+\" - 2 \"+log+%28a%2C+z%29+\"\r
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Algebra.Com's Answer #223075 by scutechandni10(7)\"\" \"About 
You can put this solution on YOUR website!
That's easy:\r
\n" ); document.write( "\n" ); document.write( "loga2+4loga y-2loga z\r
\n" ); document.write( "\n" ); document.write( "Solution;
\n" ); document.write( "Apply the laws of logarithms;
\n" ); document.write( "loga2+log(a)y^4-log(a)z^2
\n" ); document.write( "log(a)(2*y^4/z^2)
\n" ); document.write( "log(a)(2y^4/z^2) \r
\n" ); document.write( "\n" ); document.write( "Final answer: log(a)(2y^4/z^2) \r
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