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

$$\frac{1}{4}^{-2}$$

$$x^2+6x+11$$

$$\left(\:x\:+\:4\:\right)\left(\:x\:-\:4\:\right)$$

$$-\frac{3}{2+2\sin\:\left(x\right)}$$

$$\left(1-7am^5\right)\left(1+7am^5\right)$$

$$4x+1<13$$