\[ 2 y(x)^3 \left (a^2 x^3-b^2 x\right )+3 b y(x)^2+y'(x)=0 \] ✓ Mathematica : cpu = 1.1062 (sec), leaf count = 120
\[\text {Solve}\left [\sqrt [4]{\frac {(b x y(x)-1)^2}{a^2 x^4 y(x)^2}-1} \left (\frac {(b x y(x)-1) \, _2F_1\left (\frac {1}{2},\frac {3}{4};\frac {3}{2};\frac {(b x y(x)-1)^2}{a^2 x^4 y(x)^2}\right )}{2 a x^2 y(x) \sqrt [4]{1-\frac {(b x y(x)-1)^2}{a^2 x^4 y(x)^2}}}+\frac {a x}{b}\right )+c_1=0,y(x)\right ]\]
✓ Maple : cpu = 0.261 (sec), leaf count = 123
\[ \left \{ {\it \_C1}+{1\sqrt [4]{ \left ( {\frac {ax}{b}}+ \left ( {\frac {{b}^{2}y \left ( x \right ) }{a}}-{\frac {b}{ax}} \right ) ^{-1} \right ) ^{2}-1} \left ( {\frac {{b}^{2}y \left ( x \right ) }{a}}-{\frac {b}{ax}} \right ) ^{-1}{\frac {1}{\sqrt {{\frac {ax}{b}}+ \left ( {\frac {{b}^{2}y \left ( x \right ) }{a}}-{\frac {b}{ax}} \right ) ^{-1}}}}}-\int ^{{\frac {a{x}^{2}y \left ( x \right ) }{bxy \left ( x \right ) -1}}}\!{1\sqrt [4]{{{\it \_a}}^{2}-1}{\frac {1}{\sqrt {{\it \_a}}}}}{d{\it \_a}}=0 \right \} \]