$$\lim_{x\to\infty}\frac{x-2}{x+1}$$

$$\left(-2m^3\right)\cdot\left(-5m\right)\cdot\left(3m^2\right)$$

$$\frac{dy}{dx}=-\frac{y}{x^2}+\frac{1}{x^2y^2}$$

$$\left(2x^3+3x\right)^2$$

$$\sqrt[4]{12w^2}\cdot\sqrt[4]{8w^6}$$

$$\int\frac{6x}{\left(x-2\right)\left(x+3\right)}dx$$

$$-5+\left(-7+3-\left(4-2+\left(4+3\right)-7\right)\right)+5$$