\[
\boxed{
{\frac {\rm d}{{\rm d}x}}y \left( x \right) =-1/8\, \left( -\ln  \left( -1+y \left( x \right)  \right) +\ln  \left( 1+y \left( x \right)  \right) +2\,\ln  \left( x \right)  \right) x \left( 1+y \left( x \right)  \right) ^{2}=0}
\]