document.write( "Question 940229: log10a+log10(a-6)=2 \n" ); document.write( "
Algebra.Com's Answer #573022 by stanbon(75887) ![]() You can put this solution on YOUR website! log10a+log10(a-6)=2 \n" ); document.write( "-------------- \n" ); document.write( "log10[a(a-6)] = 2 \n" ); document.write( "----- \n" ); document.write( "a(a-6) = 10^2 \n" ); document.write( "---- \n" ); document.write( "a^2 - 6a - 100 = 0 \n" ); document.write( "---- \n" ); document.write( "Positive solution: \n" ); document.write( "a = 13.440... \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "--------------- \n" ); document.write( " |