\[ y'(x)=\frac {x \left (2 x^4-2 x^2 y(x)+x^2-x-1\right )}{(x+1) \left (x^2-y(x)\right )} \] ✓ Mathematica : cpu = 26.7009 (sec), leaf count = 484
\[\text {Solve}\left [\frac {2\ 2^{2/3} \left (2-\frac {x \left (x^2-x-1\right ) \left (2 x^2-2 y(x)+3\right )}{\sqrt [3]{x^3 \left (x^2-x-1\right )^3} \left (x^2-y(x)\right )}\right ) \left (\frac {x \left (x^2-x-1\right ) \left (2 x^2-2 y(x)+3\right )}{\sqrt [3]{x^3 \left (x^2-x-1\right )^3} \left (x^2-y(x)\right )}+4\right ) \left (\left (1-\frac {x \left (x^2-x-1\right ) \left (2 x^2-2 y(x)+3\right )}{2 \sqrt [3]{x^3 \left (x^2-x-1\right )^3} \left (x^2-y(x)\right )}\right ) \log \left (\frac {2-\frac {x \left (x^2-x-1\right ) \left (2 x^2-2 y(x)+3\right )}{\sqrt [3]{x^3 \left (x^2-x-1\right )^3} \left (x^2-y(x)\right )}}{\sqrt [3]{2}}\right )+\left (\frac {x \left (x^2-x-1\right ) \left (2 x^2-2 y(x)+3\right )}{2 \sqrt [3]{x^3 \left (x^2-x-1\right )^3} \left (x^2-y(x)\right )}-1\right ) \log \left (\frac {\frac {x \left (x^2-x-1\right ) \left (2 x^2-2 y(x)+3\right )}{\sqrt [3]{x^3 \left (x^2-x-1\right )^3} \left (x^2-y(x)\right )}+4}{\sqrt [3]{2}}\right )-3\right )}{9 \left (-\frac {\left (2 x^2-2 y(x)+3\right )^3}{\left (x^2-y(x)\right )^3}+\frac {12 x \left (x^2-x-1\right ) \left (2 x^2-2 y(x)+3\right )}{\sqrt [3]{x^3 \left (x^2-x-1\right )^3} \left (x^2-y(x)\right )}-16\right )}=c_1+\frac {4\ 2^{2/3} \left (x^3 \left (x^2-x-1\right )^3\right )^{2/3} \left (x \left (x^2-3 x+3\right )-3 \log (x+1)\right )}{27 x^2 \left (-x^2+x+1\right )^2},y(x)\right ]\]
✓ Maple : cpu = 0.619 (sec), leaf count = 191
\[ \left \{ y \left ( x \right ) ={1 \left ( 4\,{x}^{2}{{\rm e}^{{\it RootOf} \left ( 8\,{x}^{3}{{\rm e}^{{\it \_Z}}}-24\,{x}^{2}{{\rm e}^{{\it \_Z}}}-36\,{x}^{3}+6\,\ln \left ( {\frac {2\,{{\rm e}^{{\it \_Z}}}-9}{ \left ( 1+x \right ) ^{4}}} \right ) {{\rm e}^{{\it \_Z}}}+18\,{\it \_C1}\,{{\rm e}^{{\it \_Z}}}-6\,{\it \_Z}\,{{\rm e}^{{\it \_Z}}}+24\,x{{\rm e}^{{\it \_Z}}}+108\,{x}^{2}-27\,\ln \left ( {\frac {2\,{{\rm e}^{{\it \_Z}}}-9}{ \left ( 1+x \right ) ^{4}}} \right ) -81\,{\it \_C1}+27\,{\it \_Z}-108\,x+27 \right ) }}-18\,{x}^{2}-9 \right ) \left ( 4\,{{\rm e}^{{\it RootOf} \left ( 8\,{x}^{3}{{\rm e}^{{\it \_Z}}}-24\,{x}^{2}{{\rm e}^{{\it \_Z}}}-36\,{x}^{3}+6\,\ln \left ( {\frac {2\,{{\rm e}^{{\it \_Z}}}-9}{ \left ( 1+x \right ) ^{4}}} \right ) {{\rm e}^{{\it \_Z}}}+18\,{\it \_C1}\,{{\rm e}^{{\it \_Z}}}-6\,{\it \_Z}\,{{\rm e}^{{\it \_Z}}}+24\,x{{\rm e}^{{\it \_Z}}}+108\,{x}^{2}-27\,\ln \left ( {\frac {2\,{{\rm e}^{{\it \_Z}}}-9}{ \left ( 1+x \right ) ^{4}}} \right ) -81\,{\it \_C1}+27\,{\it \_Z}-108\,x+27 \right ) }}-18 \right ) ^{-1}} \right \} \]