\[ x^3 (-\sin (x))+x^2 y''(x)-5 x y'(x)+8 y(x)=0 \] ✓ Mathematica : cpu = 0.0363863 (sec), leaf count = 37
\[\left \{\left \{y(x)\to \frac {1}{2} x^2 \left (2 c_2 x^2+2 c_1+x^2 \text {Ci}(x)-x \sin (x)+\cos (x)\right )\right \}\right \}\]
✓ Maple : cpu = 0.049 (sec), leaf count = 36
\[ \left \{ y \left ( x \right ) ={\frac {{x}^{4}{\it Ci} \left ( x \right ) }{2}}-{\frac {\sin \left ( x \right ) {x}^{3}}{2}}+{\frac {{x}^{2} \left ( 2\,{\it \_C1}\,{x}^{2}+2\,{\it \_C2}+\cos \left ( x \right ) \right ) }{2}} \right \} \]