\[ -\frac {1}{x^5}+\left (2 x+e^x\right ) y^{(4)}(x)+4 \left (e^x+2\right ) y^{(3)}(x)+6 e^x y''(x)+4 e^x y'(x)+e^x y(x)=0 \] ✗ Mathematica : cpu = 0.0549864 (sec), leaf count = 0 , could not solve
DSolve[-x^(-5) + E^x*y[x] + 4*E^x*Derivative[1][y][x] + 6*E^x*Derivative[2][y][x] + 4*(2 + E^x)*Derivative[3][y][x] + (E^x + 2*x)*Derivative[4][y][x] == 0, y[x], x]
✓ Maple : cpu = 0.049 (sec), leaf count = 65
\[ \left \{ y \left ( x \right ) ={\frac {{\it \_C4}}{{{\rm e}^{x}}+2\,x}}+{\frac {{\it \_C1}\,{x}^{3}}{{{\rm e}^{x}}+2\,x}}+{\frac {{\it \_C2}\,{x}^{2}}{{{\rm e}^{x}}+2\,x}}+{\frac {{\it \_C3}\,x}{{{\rm e}^{x}}+2\,x}}+{\frac {1}{ \left ( 24\,{{\rm e}^{x}}+48\,x \right ) x}} \right \} \]