$-\:\left(-3+11\right)\:-\:\left(8+6\right)$

$\int_2^{\infty}x^2e^{-y^3}dx$

$\frac{dy}{dx}\left(3x^2+5\right)^5\left(x+2\right)^4$

$\sqrt{x^2+\frac{1}{x^2}-7}$

$\sin x=\frac{5}{6}$

$x^4-2x+x^2+x-1$

$\frac{\left(3xy\right)^{-\frac{1}{4}}}{wz}^{\frac{2}{3}}.\frac{\left(wx\right)^{\frac{1}{5}}}{3yz}^{\frac{3}{2}}$