$\frac{dy}{dx}\left(x^x\right)\left(\frac{\left(x^2+1\right)^3\sqrt{x}}{\left(x-2\right)^4}\right)$

$m^2+3m-\frac{27}{m-1}$

$\frac{d}{dx}e^{-x}\sqrt{x}$

$\lim_{x\to\infty}\left(1-sin\left(\frac{1}{7x}\right)\right)^{4n}$

$6y-33=3\left(y-4\right)$

$\left(4a\:-\:2b\right)^2$

$x-5=13$