$$\sqrt{x}+2+x=10$$

$$\lim_{x\to\infty}\left(\frac{arctanx^7}{x^6}\right)$$

$$\left(-12\right)+\left(+9\right)-\left(-11\right)-\left(-6\right)$$

$$2^{-3}\cdot3^2$$

$$\left(y+xy\right)dx+x^2dy=0$$

$$\lim_{x\to0}\left(\frac{\left(6^x-5^x\right)}{4^x-e^x}\right)$$