\[ y'(x)=\frac {-2 a^{3/2} b x^2 y(x)^2+2 a^{3/2} c y(x)^2+a^{5/2} y(x)^4+\sqrt {a} b^2 x^4-2 \sqrt {a} b c x^2+\sqrt {a} c^2+b x^3}{a x^2 y(x)} \] ✓ Mathematica : cpu = 1.47443 (sec), leaf count = 208
\[\left \{\left \{y(x)\to -\frac {\sqrt {-2 a^{5/2} \left (c-b x^2\right )+4 a^3 b x \left (b x^2-c\right )+a^2 x+4 \sqrt {a} b c_1 \left (b x^2-c\right )+2 b c_1 x}}{\sqrt {2} \sqrt {2 a^{3/2} b c_1+a^{7/2}+2 a^4 b x}}\right \},\left \{y(x)\to \frac {\sqrt {-2 a^{5/2} \left (c-b x^2\right )+4 a^3 b x \left (b x^2-c\right )+a^2 x+4 \sqrt {a} b c_1 \left (b x^2-c\right )+2 b c_1 x}}{\sqrt {2} \sqrt {2 a^{3/2} b c_1+a^{7/2}+2 a^4 b x}}\right \}\right \}\]
✓ Maple : cpu = 0.338 (sec), leaf count = 97
\[ \left \{ y \left ( x \right ) ={\frac {1}{x{\it \_C1}+1}\sqrt { \left ( x{\it \_C1}+1 \right ) {a}^{{\frac {3}{2}}} \left ( \left ( x{\it \_C1}+1 \right ) \left ( b{x}^{2}-c \right ) \sqrt {a}+{\frac {x}{2}} \right ) }{a}^{-{\frac {3}{2}}}},y \left ( x \right ) =-2\,{\frac {\sqrt { \left ( x{\it \_C1}+1 \right ) {a}^{3/2} \left ( \left ( x{\it \_C1}+1 \right ) \left ( b{x}^{2}-c \right ) \sqrt {a}+x/2 \right ) }}{{a}^{3/2} \left ( 2\,x{\it \_C1}+2 \right ) }} \right \} \]