document.write( "Question 759176: Find the exact value solution \r
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document.write( "log (5x) + log (x-1) = 2 \n" );
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Algebra.Com's Answer #461905 by sachi(548)![]() ![]() You can put this solution on YOUR website! log (5x) + log (x-1) = 2 \n" ); document.write( "or log[5x(x-1)]=2 \n" ); document.write( "or 5x(x-1)=AntiLog(2) = 102=100 \n" ); document.write( "or x(x-1)=100/5=20 \n" ); document.write( "or x^2-x-20=0 \n" ); document.write( "or x^2-5x+4x-20=0 \n" ); document.write( "or x(x-5)+4(x-5)=0 \n" ); document.write( "or (x-5)(x+4)=0 \n" ); document.write( "or x=5 or -4 \n" ); document.write( " \n" ); document.write( " |