document.write( "Question 129918: I need help solving this logarithmic equation\r
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document.write( "log(x-14)-log5=log(x-12)-logx \n" );
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Algebra.Com's Answer #95043 by scott8148(6628)![]() ![]() You can put this solution on YOUR website! by rules of logs __ \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "\"cross\" multiplying __ (x-14)x=(x-12)5 __ x^2-14x=5x-60\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "subtracting 5x-60 __ x^2-19x+60=0\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "factoring __ (x-15)(x-4)=0\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "REMEMBER, logs are not defined for values <=0 \n" ); document.write( " |