\[ x^3 (-\sin (x))+x^2 y''(x)-5 x y'(x)+8 y(x)=0 \] ✓ Mathematica : cpu = 0.033493 (sec), leaf count = 42
\[\left \{\left \{y(x)\to c_2 x^4+c_1 x^2+\frac {1}{2} \left (x^4 \text {Ci}(x)-x^3 \sin (x)+x^2 \cos (x)\right )\right \}\right \}\]
✓ Maple : cpu = 0.023 (sec), leaf count = 34
\[ \left \{ y \left ( x \right ) ={\it \_C2}\,{x}^{4}+{\it \_C1}\,{x}^{2}+{\frac {{x}^{2} \left ( \cos \left ( x \right ) +x \left ( x{\it Ci} \left ( x \right ) -\sin \left ( x \right ) \right ) \right ) }{2}} \right \} \]