Question 856767
{{{ln(x+3)+ln(x)=1}}}
{{{ln(x(x+3))=1}}}
{{{x(x+3)=e}}}
{{{x^2+3x-e=0}}}
{{{x = (-b +- sqrt( b^2-4*a*c ))/(2*a) }}} 
{{{x = (-3 +- sqrt( 3^2-4*1*(-e) ))/(2*1) }}} 
{{{x = (-3 +- sqrt( 9+4e ))/(2) }}}
Only the positive value makes sense here.
 {{{x = (-3 + sqrt( 9+4e ))/(2) }}}