\[ \boxed { \left ( {\frac {\rm d}{{\rm d}x}}y \left ( x \right ) \right ) \sum _{\nu =1}^{p}f_{{\nu }} \left ( x \right ) \left ( y \left ( x \right ) \right ) ^{\nu }-\sum _{\nu =1}^{q}g_{{\nu }} \left ( x \right ) \left ( y \left ( x \right ) \right ) ^{\nu }=0} \]
Mathematica: cpu = 0 (sec), leaf count = 0 \[ \text {Hanged} \]
Maple: cpu = 0 (sec), leaf count = 0 \[ \text {hanged} \]