\[ y'(x)^3-(x+5) y'(x)+y(x)=0 \] ✓ Mathematica : cpu = 0.0089831 (sec), leaf count = 20
\[\left \{\left \{y(x)\to c_1 x-c_1{}^3+5 c_1\right \}\right \}\] ✓ Maple : cpu = 0.2 (sec), leaf count = 44
\[\left \{y \left (x \right ) = c_{1} \left (-c_{1}^{2}+x +5\right ), y \left (x \right ) = -\frac {2 \sqrt {3 x +15}\, \left (x +5\right )}{9}, y \left (x \right ) = \frac {2 \sqrt {3 x +15}\, \left (x +5\right )}{9}\right \}\]