$\int\frac{-2x+1}{\left(x^2+2x-5\right)\left(x+3\right)}dx$

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

$\frac{dy}{dx}=x\sqrt{a^2-x}$

$\lim_{x\to0}\left(ln\left(1+\frac{6}{x}\right)\right)^x$

$\left(2x-5\right)^2\left(x^2-x-2\right)^3\left(x+2\right)$

$\frac{1}{\tan}=\cot$

$3708-2622.07143$