$\left(x^5y^2-9x\right)^3$

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

$-\frac{x}{2}+6=5$

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

$\int e^{-16x}dx$

$\frac{2x\:+\:y}{\sqrt[3]{xy}-\sqrt[3]{5}}$

$\int\frac{32}{x^3-4x}dx$