\[ \left (x^4-2\right ) x y(x)-(x+1) x^2 y'(x)+y''(x)=0 \] ✓ Mathematica : cpu = 0.85717 (sec), leaf count = 55
\[\left \{\left \{y(x)\to c_2 e^{\frac {x^3}{3}} \int _1^x e^{\frac {K[1]^4}{4}-\frac {K[1]^3}{3}} \, dK[1]+c_1 e^{\frac {x^3}{3}}\right \}\right \}\]
✓ Maple : cpu = 0.13 (sec), leaf count = 35
\[ \left \{ y \left ( x \right ) ={\it \_C1}\,{{\rm e}^{{\frac {{x}^{3}}{3}}}}+{\it \_C2}\,{{\rm e}^{{\frac {{x}^{3}}{3}}}}\int \!{{\rm e}^{{\frac {{x}^{4}}{4}}-{\frac {{x}^{3}}{3}}}}\,{\rm d}x \right \} \]