\[ \boxed { {\frac {{\rm d}^{2}}{{\rm d}{x}^{2}}}y \left ( x \right ) +d+bxy \left ( x \right ) +cy \left ( x \right ) +a \left ( y \left ( x \right ) \right ) ^{3}=0} \]
Mathematica: cpu = 2.855863 (sec), leaf count = 27 \[ \text {DSolve}\left [a y(x)^3+b x y(x)+c y(x)+d+y''(x)=0,y(x),x\right ] \]
Maple: cpu = 0.250 (sec), leaf count = 0 \[ \text {could not solve} \]