$2\cdot\left(2-\left(-4\right)\cdot\left(-8\right)\right)$

$7x^2-12x+36$

$\int e^{-st}\left(8+t^3-e^t\right)dx$

$\lim_{x\to\infty}\left(x^3cos\left(5\pi x\right)\right)$

$\int\left(x-1\right)sqrtx\:dx$

$\left(6x^2y+2m^3n\right)^3$

$\frac{d}{dx}\left(ln\left(t\right)+ln\left(t+4\right)+ln\left(t+9\right)\right)$