\[ -x^4+x^2 y''(x)+x^2-4 x y'(x)+6 y(x)=0 \] ✓ Mathematica : cpu = 0.0079021 (sec), leaf count = 38
\[\left \{\left \{y(x)\to c_2 x^3+c_1 x^2+\frac {1}{2} \left (x^4+2 x^2+2 x^2 \log (x)\right )\right \}\right \}\] ✓ Maple : cpu = 0.026 (sec), leaf count = 25
\[\left \{y \left (x \right ) = \frac {\left (2 c_{2} x +x^{2}+2 c_{1}+2 \ln \left (x \right )+2\right ) x^{2}}{2}\right \}\]