document.write( "Question 685015: Write the expression as a single logarithm. Express powers as factors.
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document.write( "In(x/x-7)+In(x+7/x)-In(x^2-49) \n" );
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Algebra.Com's Answer #424589 by stanbon(75887) ![]() You can put this solution on YOUR website! Write the expression as a single logarithm. Express powers as factors. \n" ); document.write( "In(x/x-7)+In(x+7/x)-In(x^2-49) \n" ); document.write( "------- \n" ); document.write( "ln[(x/(x-7)*(x+7)/x)/(x^2-49)] \n" ); document.write( "---- \n" ); document.write( "= ln[((x+7)/(x-7)*((x^2-49)/1] \n" ); document.write( "--- \n" ); document.write( "= ln(x+7)^2 \n" ); document.write( "--- \n" ); document.write( "= 2ln(x+7) \n" ); document.write( "=============== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |