$2^3-3\left(2\right)^2-2\left(2\right)+12$

$\frac{x^4}{8-x^3}$

$12x^2>0$

$\int e^2\sin\left(4x\right)dx$

$\int\left(\frac{2x-4}{\sqrt{2-x-x^2}}\right)dx$

$\lim\:_{x\to\:0}\left(\frac{\sqrt[3]{\left(cos\left(x-1\right)\right)^2}}{tan\left(x\right)}\right)$

$20+90+51n+7$