$x^3-5x^2+7x-3$

$\left(-2xy^{-2}\right)\left(-3xy^2\right)$

$\left(x-7\right)\left(x-11\right)$

$\frac{dy}{dx}\left(1-x^2\right)=\:-\left(x\left(y-2\right)\right)$

$\int\left(7x+5\right)^{\frac{1}{4}}dx$

$\frac{1}{x-\frac{2}{x+\frac{1}{2}}}\cdot\frac{1}{2+\frac{1}{x}}$

$\frac{x^{10}}{x^6}$