$\frac{d}{dx}6x^2-3y^5=2x^3y$

$\left(xy^{-6}\right)\left(x^6y^6-y^6+x^{-1}y^{-2}-xy^{-6}z+3\right)$

$7y-28y^3$

$\left(f-c\right)^2$

$\frac{4\left(2z\:-\:3x\right)-5\left(x\:+\:4z\right)-\:x\:-6\left(3y\right)}{3}$

$\frac{1}{\left(3x\right)^{\frac{5}{2}}}$

$\int\:\frac{8x-2}{x^2-1}dx$