$$\left(\frac{\tau}{l}+p\right)\left(\frac{\tau}{l}-p\right)$$

$$11a^2b^2+33a^5b^3+44a^2b^4$$

$$\frac{\sin x}{1\csc^2}$$

$$-10982-7580$$

$$\left(5x^4y^5-6x^2y^4\right)^2$$

$$156\:-\left(-45\right)$$

$$1-2\sin^2\left(x\right)=\sin^2\left(x\right)+1$$