$\int\sqrt{\left(x+2\right)^2+8}dx$

$r^3s^2\:t^4-20r^3\:s^2t^3+5r^2s^4\:t^4$

$\frac{60mn-30m^{2}n+36m^{4}n}{6m}$

$\frac{1}{3}\left(m-n\right)=nx+3y$

$\left(xy\right)+\left(2+4\right)xy\left(2\right)\left(4\right)$

$y^3y'=\frac{2}{3x}\:$

$\lim_{x\to2.001}\left(\frac{x+1}{x-2}\right)$