$\int6z\sqrt{4+z^2}dx$

$\frac{\left(5x^3-4x\right)^4}{4}$

$\frac{dy}{dx}=-2\left(x+1\right)$

$\frac{4x^2+23x+33}{x+4}$

$\frac{d}{dx}6xln\left(8x\right)$

$c^2-24c+144=0$

$\log_{13}\left(x\right)=\log_{13}\left(6\right)+\log_{13}\left(5\right)-\log_{13}\left(2\right)$