\[ -x y(x)^4 y'(x)+y'(x)^3-y(x)^5=0 \] ✓ Mathematica : cpu = 0.0151647 (sec), leaf count = 20
DSolve[-y[x]^5 - x*y[x]^4*Derivative[1][y][x] + Derivative[1][y][x]^3 == 0,y[x],x]
\[\left \{\left \{y(x)\to \frac {1}{c_1 \left (x-c_1{}^2\right )}\right \}\right \}\] ✓ Maple : cpu = 0.854 (sec), leaf count = 43
dsolve(diff(y(x),x)^3-x*y(x)^4*diff(y(x),x)-y(x)^5=0,y(x))
\[y \left (x \right ) = -\frac {3 \sqrt {3}}{2 x^{\frac {3}{2}}}\]