document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=277669>Question 277669</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve for X. (Type an integer or simplified fraction).\r<BR>\n" );
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document.write( "log x+log (x-15)=2 </SPAN>\n" );
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document.write( "log x+log (x-15)=2<BR>\n" );
document.write( "--------------------<BR>\n" );
document.write( "log(x(x-15)) = 2<BR>\n" );
document.write( "x(x-15) = 10^2<BR>\n" );
document.write( "x^2-15x - 100 = 0<BR>\n" );
document.write( "(x-20)(x+5) = 0<BR>\n" );
document.write( "Positive solution:<BR>\n" );
document.write( "x = 20<BR>\n" );
document.write( "--------------------<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );