\[
\boxed{
{\frac {\rm d}{{\rm d}x}}y \left( x \right) ={\frac { \left( xy \left( x \right) +1 \right)  \left( {x}^{2} \left( y \left( x \right)  \right) ^{2}+{x}^{2}y \left( x \right) +2\,xy \left( x \right) +1+x+{x}^{2} \right) }{{x}^{5}}}=0}
\]