2.664   ODE No. 664

1. Problem in Latex
2. Mathematica input
3. Maple input

$$y^{\prime }(x)=x^2\sqrt{x^2+4y(x)-4x}-\frac{x}{2}+1$$ ✓ Mathematica : cpu = 0.175457 (sec), leaf count = 36

$$\left\{\{y(x)\to \frac{1}{36}(-24c_1{x}^3+36c_1^2+4x^6-9x^2+36x)\}\right\}$$

✓ Maple : cpu = 0.161 (sec), leaf count = 25

$$\{\mathit{\_}\mathit{C}\mathit{1}+\frac{2x^3}{3}-\sqrt{x^2-4x+4y\left(x\right)}=0\}$$