$\left(2m+2n\right)^3$

$3\lim_{x\to4}\left(\frac{\left(x-4\right)}{3-\sqrt{2x+1}}\right)$

$\int\frac{\sqrt{2+3ctgx}}{sen^2x}dx$

$10-2\left(9-4\right)$

$\frac{d}{dx}\left(\sin^{-1}\left(5x^3+5\right)\right)$

$\left(x^5-4\right)\left(x^5-11\right)$

$\left(3x^2+2x\right)\left(3x^2-x\right)$