$\left(m-6\right)\left(m-9\right)$

$\int\frac{4}{5}\sin\left(2x+6\right)dx$

$\frac{dy}{dx}+3y^2\:=0$

$\left(\frac{a}{6}+\frac{x}{5}\right)\left(\frac{a}{6}-\frac{x}{5}\right)$

$\lim_{x\to\infty}27\sqrt{x+1}-27x$

$3m\:-10\:\:50$

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