$\frac{10x^5}{2x}$

$\frac{d}{dx}\left(\frac{1}{\left(1-x\right)}\right)$

$-93=-3\left(7-3x\right)$

$\lim_{n\to\infty}\:n\left(\sqrt[n]{a}-\sqrt[n-1]{a}\right)$

$\lim_{x\to-2}\left(\frac{x^3+8}{4-x^2}\right)$

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

$\left(a^n+b^n\right)^2$