$$\int\tan^5\left(2x\right)\sec^{-2}\left(2x\right)dx$$

$$\lim_{x\to\infty}\left(8xe^{-7x}\right)$$

$$\frac{x^5}{1-x^3}$$

$$\sqrt[2]{\frac{54}{2}}$$

$$x^2\frac{dy}{dx}=7x^4+14xy$$

$$\frac{du}{dx}=e^{3u+7x}$$

$$4\text{left}\left(x+2\text{right}\right)-3\text{left}\left(x-5\text{right}\right)$$