\[
\boxed{
{\frac {\rm d}{{\rm d}x}}y \left( x \right) ={\frac { \left( 2\,x+2+{x}^{3}y \left( x \right)  \right) y \left( x \right) }{ \left( \ln  \left( y \left( x \right)  \right) +2\,x-1 \right)  \left( 1+x \right) }}=0}
\]