document.write( "Question 694144: ln(20-x)=lnx^2 \n" ); document.write( "

Algebra.Com's Answer #427939 by stanbon(75887) $\"\"$ $\"About$

You can put this solution on YOUR website!
ln(20-x)=lnx^2
\n" ); document.write( "------
\n" ); document.write( "20-x = x^2
\n" ); document.write( "x^2+x-20 = 0
\n" ); document.write( "Factor:
\n" ); document.write( "(x+5)(x-4) = 0
\n" ); document.write( "----
\n" ); document.write( "Only solution:
\n" ); document.write( "x = -5
\n" ); document.write( "===============
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H. \n" ); document.write( "

\n" );