$\left(x^{-4}\right)^{-9}$

$-y+57=x^2-14x$

$\left(x\right)\frac{dy}{dx}=y-x$

$\left(x+3\right)\left(3x-1\right)^3$

$\int\frac{1}{\left(5+7x^2\right)}dx$

$\left(1+t^{2}\right)\frac{dy}{dt}+ty=\left(1+t^{2}\right)^{\frac{5}{2}}$

$\lim_{x\to\infty}\left(\frac{2x-sin\left(x\right)}{x}\right)$