$e=\frac{2^{n+3}+2^{n+2}-2^{n+1}}{2^{n+2}}$

$\frac{10x^520x^2y^2}{5x^3y^3}$

$96x-8$

$\left(4x+5\right)\left(-44\right)$

$\frac{x^8}{2x^4}$

$\lim_{x\to\frac{\pi}{3}}\left(\frac{\csc\left(x\right)}{1-\tan\left(x\right)}\right)$

$\left(6m^3-y\right)\left(6m^3+y\right)$