$$x^2-12x+32$$

$$\frac{8}{x^2-4}+\frac{x+4}{x+2}$$

$$\frac{114x^8-9y^{14}}{12x^4+3y^7}$$

$$\int\sin^2\left(y\right)\:dy$$

$$\frac{x^2}{y}\cdot\frac{2xy}{3}\cdot y^2$$

$$5xy\frac{dy}{dx}+y=0$$

$$tan\:b\:-cot\:b$$