$\int\:\frac{8}{1+8x}\:dx$

$\int\frac{2}{x\sqrt{3-n^2}}dx$

$\left(13y-6\right)^2$

$m\:=\:\left(x\:+\:4\right)\:\left(4\:-\:x\right)$

$\left(7+4b\right)\left(\left(7-4b\right)\right)$

$\frac{dy}{dx}=\tan\left(x\right)y+\cos\left(x\right)$

$\frac{\tan\left(2\pi\right)-\tan\left(x\right)}{1+\tan\left(2\pi\right)\tan\left(x\right)}$