$\frac{\left(x+4\right)^2\left(x-1\right)}{x^2-16}$

$300-\left(70+\left(-4-20-10\right)\right)$

$\frac{2x^3-x^2+5}{x-3}$

$\lim_{x\to0}\left(\frac{\cos\left(x-\frac{\pi}{2}\right)}{x}\right)$

$\frac{2^{4m}}{16}=16^{m-1}$

$\frac{d}{dx}\left(y^3+xy-y=\arcsin\left(x^2\right)\right)$

$8a\:+\:6\:-\:11a$