$\lim_{x\to5}\left(x^3-64\right)$

$\left(2a-b^3\right)^3$

$\frac{\tan\left(x\right)^2}{\sin\left(x\right)^2}-1=\tan\left(x\right)^2$

$\frac{dy}{dx}=\left(\frac{y+ycosx}{y^2\:+1}\right)$

$\frac{x^2+11x-55}{5-x}$

$\left(\csc\left(x\right)\cdot\sin^3\left(x\right)\right)+1$

$\left(x\:+\:3y\right)\left(x\:-\:3y\right)$