$\int\left(x\:+\:2\right)^3\:\cdot\:5x\:dx$

$\int\frac{\ln^2\left(x\right)}{x^{\frac{3}{5}}}dx$

$\frac{-2}{x-1}=\frac{x-8}{x+1}$

$\frac{dy}{dx}=\frac{xy}{\left(x+1\right)\left(y+1\right)}$

$2x+7\le5x+8$

$\lim_{x\to\infty}\left(3-3\left(\frac{1-e^{-6x}}{1+e^{-6x}}\right)\right)$

$\frac{x^4+625}{x-5}$