$\int_0^2\frac{3}{x^2+2x-2}dx$

$4\sin\left(x\right)\cos^2\left(x\right)=\sin\left(2x\right)$

$-x^7\cdot x$

$\frac{500}{0.039019}$

$\int x^3\cdot\sqrt{x^2}-1dx$

$\lim_{x\to125}\left(\frac{125-x}{x^{\frac{1}{3}}-5}\right)$

$5-6-\left(3+6\right)+\left(11+5\right)-\left(4-3\right)$