$2\left(-1\right)^3\left(3\right)-3\left(-1\right)^2\left(3\right)$

$10-1+2$

$\sin\left(x\right)^x-\sin\left(x\right)^x$

$\lim_{x\to\pi}\left(\frac{1+\cos\left(2\right)x}{1-\sin\left(x\right)}\right)$

$888-\left(-900\right)$

$2\left(x+18\right)+2\left(x+9\right)$

$\int_{-2}^2\pi\left(4-x\right)^2dx$