\[ y'(x)^3-(x+5) y'(x)+y(x)=0 \] ✓ Mathematica : cpu = 0.00420456 (sec), leaf count = 20
\[\left \{\left \{y(x)\to c_1 x-c_1^3+5 c_1\right \}\right \}\]
✓ Maple : cpu = 0.041 (sec), leaf count = 46
\[ \left \{ y \left ( x \right ) =-{\frac {2\,x+10}{9}\sqrt {3\,x+15}},y \left ( x \right ) ={\frac {2\,x+10}{9}\sqrt {3\,x+15}},y \left ( x \right ) =-{{\it \_C1}}^{3}+x{\it \_C1}+5\,{\it \_C1} \right \} \]