$\left(1-\left(\frac{v}{c}\right)^2\right)^{-\frac{1}{2}}$

$\int_0^{\infty}\left(2+x\right)^3dx$

$\lim_{x\to0}\:\frac{2tanx}{5x^3}$

$\left(2x-4\right)\left(2\:\right)$

$3ab^3\:-\left(8a^3b+12ab^3\:+16a^3b\:\right)$

$-10a\left(8a-4b+2c\right)+\left(5a-4b-2c\right)-\left(10a-3b-4c\right)$

$a^2+2x+1=0$