$\left(2x\right)^6$

$\frac{dy}{dx}\left(x^2+1\right)^{sinx}$

$2-\left(5+2\right)-\left[\left(10+7\right)-\left(6-3\right)\right]$

$\frac{dy}{dx}=\frac{y^2}{4}$

$5ab+2xy-3ab+5xy^2+2ab-2xy^2-15ab$

$\lim_{x\to3}\left(\frac{x^3-12}{x-3}\right)$

$\int\left(\frac{1}{4+7x^2}\right)dx$