\[ y'(x)=\frac {a^2-a b y(x)-a b \sqrt {x}-b^2 x+b c}{a \left (a y(x)+a \sqrt {x}+b x-c\right )} \] ✓ Mathematica : cpu = 0.0854425 (sec), leaf count = 625
\[\left \{\left \{y(x)\to \frac {1}{a^2 \text {Root}\left [\text {$\#$1}^6 \left (16 e^{12 c_1}+16 x^3\right )-\frac {24 \text {$\#$1}^4 x^2}{a^4}+\frac {8 \text {$\#$1}^3 x^{3/2}}{a^6}+\frac {9 \text {$\#$1}^2 x}{a^8}-\frac {6 \text {$\#$1} \sqrt {x}}{a^{10}}+\frac {1}{a^{12}}\& ,1\right ]}-\frac {a \sqrt {x}+b x-c}{a}\right \},\left \{y(x)\to \frac {1}{a^2 \text {Root}\left [\text {$\#$1}^6 \left (16 e^{12 c_1}+16 x^3\right )-\frac {24 \text {$\#$1}^4 x^2}{a^4}+\frac {8 \text {$\#$1}^3 x^{3/2}}{a^6}+\frac {9 \text {$\#$1}^2 x}{a^8}-\frac {6 \text {$\#$1} \sqrt {x}}{a^{10}}+\frac {1}{a^{12}}\& ,2\right ]}-\frac {a \sqrt {x}+b x-c}{a}\right \},\left \{y(x)\to \frac {1}{a^2 \text {Root}\left [\text {$\#$1}^6 \left (16 e^{12 c_1}+16 x^3\right )-\frac {24 \text {$\#$1}^4 x^2}{a^4}+\frac {8 \text {$\#$1}^3 x^{3/2}}{a^6}+\frac {9 \text {$\#$1}^2 x}{a^8}-\frac {6 \text {$\#$1} \sqrt {x}}{a^{10}}+\frac {1}{a^{12}}\& ,3\right ]}-\frac {a \sqrt {x}+b x-c}{a}\right \},\left \{y(x)\to \frac {1}{a^2 \text {Root}\left [\text {$\#$1}^6 \left (16 e^{12 c_1}+16 x^3\right )-\frac {24 \text {$\#$1}^4 x^2}{a^4}+\frac {8 \text {$\#$1}^3 x^{3/2}}{a^6}+\frac {9 \text {$\#$1}^2 x}{a^8}-\frac {6 \text {$\#$1} \sqrt {x}}{a^{10}}+\frac {1}{a^{12}}\& ,4\right ]}-\frac {a \sqrt {x}+b x-c}{a}\right \},\left \{y(x)\to \frac {1}{a^2 \text {Root}\left [\text {$\#$1}^6 \left (16 e^{12 c_1}+16 x^3\right )-\frac {24 \text {$\#$1}^4 x^2}{a^4}+\frac {8 \text {$\#$1}^3 x^{3/2}}{a^6}+\frac {9 \text {$\#$1}^2 x}{a^8}-\frac {6 \text {$\#$1} \sqrt {x}}{a^{10}}+\frac {1}{a^{12}}\& ,5\right ]}-\frac {a \sqrt {x}+b x-c}{a}\right \},\left \{y(x)\to \frac {1}{a^2 \text {Root}\left [\text {$\#$1}^6 \left (16 e^{12 c_1}+16 x^3\right )-\frac {24 \text {$\#$1}^4 x^2}{a^4}+\frac {8 \text {$\#$1}^3 x^{3/2}}{a^6}+\frac {9 \text {$\#$1}^2 x}{a^8}-\frac {6 \text {$\#$1} \sqrt {x}}{a^{10}}+\frac {1}{a^{12}}\& ,6\right ]}-\frac {a \sqrt {x}+b x-c}{a}\right \}\right \}\]
✓ Maple : cpu = 0.294 (sec), leaf count = 83
\[ \left \{ y \left ( x \right ) ={\frac {1}{2\,a} \left ( 3\,\tanh \left ( {\it RootOf} \left ( -729\,{x}^{3} \left ( \tanh \left ( {\it \_Z} \right ) \right ) ^{6}{a}^{6}+2187\,{x}^{3} \left ( \tanh \left ( {\it \_Z} \right ) \right ) ^{4}{a}^{6}-2187\,{x}^{3} \left ( \tanh \left ( {\it \_Z} \right ) \right ) ^{2}{a}^{6}+729\,{a}^{6}{x}^{3}+64\,{\it \_C1}\, \left ( {{\rm e}^{{\it \_Z}}} \right ) ^{2} \right ) \right ) \sqrt {x}a-a\sqrt {x}-2\,bx+2\,c \right ) } \right \} \]