$tan^2xsinx-3sinx=0$

$\frac{dq}{dp}\left(\frac{\left(2p-9000\right)}{q}\right)=\frac{1}{90}q-20$

$\frac{3x^5+2x^2-5}{x^5-3x^3+8}$

$\int_t^{\infty}\frac{1}{22}\left(e^{-\frac{z}{22}}\right)dz$

$36b^3\left(b-5\right)+24b^2\left(b-5\right)+60b\left(5-b\right)$

$27-12-8+33+14-17-19$

$\lim_{x\to0}\left(\sqrt{2-x}\right)$