document.write( "Question 587167: please could you help me solve for x: \r
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document.write( "ln(x-5)+ln(x-6)=ln(16-2x) \n" );
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Algebra.Com's Answer #374008 by nerdybill(7384)![]() ![]() You can put this solution on YOUR website! ln(x-5)+ln(x-6)=ln(16-2x) \n" ); document.write( "ln(x-5)(x-6)=ln(16-2x) \n" ); document.write( "(x-5)(x-6)=(16-2x) \n" ); document.write( "x^2-11x+30 = 16-2x \n" ); document.write( "x^2-9x+30 = 16 \n" ); document.write( "x^2-9x+14 = 0 \n" ); document.write( "(x-7)(x-2) = 0 \n" ); document.write( "x = {2, 7} \n" ); document.write( "2 is an extraneous answer -- throw it out leaving: \n" ); document.write( "x = 7 \n" ); document.write( " \n" ); document.write( " |