$3w^3-6w^2$

$\lim_{x\to0}\left(\frac{ln\left(\left(x+1\right)\cdot sen\left(\frac{1}{x+1}\right)\right)}{ln\left(\left(x\right)\cdot\:sen\left(\frac{1}{x}\right)\right)}\right)$

$\frac{3m^3-16m^2-37m-14}{m-2}$

$9+7\cdot3+6$

$25m^2+70mn^2+49n^4$

$\frac{dy}{dx}=\frac{-sin3x}{2ycos^33x}$

$f\left(x\right)=3x^5\:-\:25x^3\:+\:60x$