$\left(mn^2-1\right)^3$

$\int\frac{1}{\sqrt{8-6x-9x^2}}dx$

$32a^3b+24ab^2+16abc$

$\frac{1}{2}\left(x+1\right)\frac{dy}{dx}=x\sqrt{y}$

$sin\left(x-\frac{5\pi\:}{3}\right)$

$\int_0^1\left(2\pi x\right)\left(e^{-x^2}\right)dx$

$\left(x^3+\:7\right)\left(x^3\:-\:6\right)$