$x^3+6x^2-32$

$\lim_{x\to2}\left(\frac{-2+\sqrt[2]{11-x}}{x-3}\right)$

$7\left(x\:-\:4\right)\:=\:2\left(x\:-\:14\right)\:+\:5x$

$\left|\left(\frac{1}{5}\right)^2\right|+\left(\frac{5}{2}^{-2}\right)$

$\left(-33\right)m+4n+\left(-17\right)m$

$9x^2-18x+25$

$2\sec\left(x\right)^2-2\cot\left(x\right)^2$