$\frac{d}{dx}\left(\left(x-5\right)^{x^2}\right)$

$9b^2-8b-16$

$\lim_{x\to\infty}\left(\frac{x}{2x-1}\right)^{\frac{1}{\left(x-1\right)}}$

$\sqrt[3]{8x^{18}}$

$\frac{\frac{\sqrt{3}}{\infty}}{\infty}$

$\frac{a^2}{2^2}-6a+4$

$\left(y+11\right)\:=\:\left(x+2\right)\left(y+13\right)$