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