$$x+10+9$$

$$\frac{dy}{dx}\left(xlny+y^6=8lnx\right)$$

$$\lim_{n\to\infty}\left(\frac{3^n\cdot n+3^n-n-1}{3^{n+1}-1}\right)$$

$$-\left(\csc\left(\frac{3\pi}{2}\right)\right)^2$$

$$\left(12\:x^4\right)^3$$

$$\left(2-8a+6a^2\right)^2$$