$\int5\sqrt{x}\left(x-7x^2\right)dx$

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

$\frac{dy}{dx}=-3x^{\frac{2}{5}}$

$4cos^2x+cosx-2$

$\left(15-6\right)-\left(8-1-4\right)-\left(-7\right)$

$\left(c\:+\:8\right)\:\left(c\:-\:3\right)$

$\frac{\left(24x^3y^2z^7\right)}{\left(9x^2z^4\right)}$