$2x^2+x\left(16x-11\right)=2\left(3x-1\right)^2$

$\left(13-28\right):\left(-1-4\right)$

$\int\frac{-y+e^{2y}}{e^y}dy$

$\lim_{x\to\infty}\left(\frac{2^x}{x^{\frac{x}{2}}}\right)$

$\int_{-3}^{-2}\left(\frac{2x^2-2x-1}{x^3-x^2}\right)dx$

$y\:=ln\left(\frac{dy}{dx}\right)$

$3x^2y-xy-x^2+10xy-4$