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

$$\frac{\left(n^3-2n^2-16n-48\right)}{\left(n-6\right)}$$

$$2x-4x+5y\left(2x\right)$$

$$b^2+2b-3$$

$$2x^2-5x+3$$

$$\log\left(2x-6\right)+\log\left(x+2\right)=2$$

$$\frac{6x^2}{3x^3}$$