$\lim_{x\to a}\left(\frac{x^m-a^m}{x-a}\right)$

$\int\frac{1}{9-64x^2}dx$

$\frac{dy}{dx}\left(2xy+y\right)$

$\left(-8\right)-\left(-5\right)-\left(-6\right)$

$\left(2x+3\right)\left(x+1\right)=2\left(x+1\right)^2+\left(x+1\right)$

$x^2\:+\:2x\:+\:1\:=\:36$

$\left(7m^5n^9-14my^5\right)^2$