$x-2x-3+5$

$\int\left(z^2-1\right)cvzdx$

$m^2-14m^2-m^2-115m^2$

$\int\frac{2x^2-11x+11}{\left(x-1\right)\left(x-2\right)\left(x-3\right)}dx$

$\frac{\left(4\:sin\left(t\right)\:+\:5\:tan\left(t\right)\right)}{tan\left(t\right)}$

$\sqrt{36\ 00}$

$\frac{dv}{dx}+\frac{2}{x}v=4x$