$$\int\frac{ln\left(2x^4\right)}{3x^5}dx$$

$$\frac{dy}{dx}=2\left(3-y\right)$$

$$6^{-3}\cdot6^5$$

$$\left(3b-4\right)\left(b+2\right)$$

$$\frac{n}{n-3\:}\cdot\:\frac{9}{n+3}$$

$$13\left(x+2y\right)$$

$$\frac{dy}{dx}=xy+3x-6$$