$$\frac{dy}{dx}\left(5x-6=xy\right)$$

$$x^2+4\ge0$$

$$\left(x^3+3yx^2+3xy^2+y^3\right)\left(x^2+3\right)$$

$$\frac{1}{\left(\csc^2x\cot x\right)}=\sin^2x\tan x$$

$$\frac{dy}{dx}=7+y$$

$$\frac{d}{dx}\left(\:cos\left(t\right)\right)$$

$$180x^2\:+\:60x\:+\:5$$