document.write( "Question 327451: log x +log (x+3) =log 54\r
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Algebra.Com's Answer #234632 by scott8148(6628)\"\" \"About 
You can put this solution on YOUR website!
adding logs is analogous to multiplying quantities\r
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\n" ); document.write( "\n" ); document.write( "log[x(x+3)] = log(54)\r
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\n" ); document.write( "\n" ); document.write( "x^2 + 3x = 54 ___ x^2 + 3x - 54 = 0\r
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\n" ); document.write( "\n" ); document.write( "factor the quadratic to find x\r
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\n" ); document.write( "\n" ); document.write( "REMEMBER : logs of negative values are undefined
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