\[ \left (x^2+2\right ) y^{(3)}(x)+\left (x^2+2\right ) y'(x)-2 x y''(x)-2 x y(x)=0 \] ✓ Mathematica : cpu = 0.138555 (sec), leaf count = 43
\[\left \{\left \{y(x)\to \frac {c_1 x^2}{2}+\frac {1}{2} i c_2 e^{-i x}-\frac {1}{4} c_3 e^{i x}\right \}\right \}\] ✓ Maple : cpu = 0.175 (sec), leaf count = 18
\[\{y \left (x \right ) = c_{1} x^{2}+c_{2} \cos \left (x \right )+c_{3} \sin \left (x \right )\}\]