$\frac{d}{dx}16x^2+y^2-64x+6y-57=0$

$3x^2\:+\:2x\:-\:8$

$\frac{m^{12}-n^{18}}{x^2+n^3}$

$3\frac{dy}{dx}-y=5$

$\lim_{x\to0}\left(\frac{e}{x^2}\right)$

$\int_0^1\frac{x^5}{\sqrt{1-x^4}}\:dx$

$\lim_{x\to+\infty\:}\left(\frac{1+sen\left(x\right)}{1-cos\left(x\right)}\right)$