\[
\boxed{
{\frac {\rm d}{{\rm d}x}}y \left( x \right) ={\frac {6\,{x}^{2}y \left( x \right) -2\,x+1-5\,{x}^{3} \left( y \left( x \right)  \right) ^{2}-2\,xy \left( x \right) + \left( y \left( x \right)  \right) ^{3}{x}^{4}}{{x}^{2} \left( {x}^{2}y \left( x \right) -x+1 \right) }}=0}
\]