$\left(x+2\right)\left(x+4\right)\left(x^2+36\right)$

$\frac{dy}{dx}=\frac{x\:-4xy}{\left(x^{2\:}+1\right)}$

$4m+\left[\left(6m-3n\right)-\left(9n-5m\right)+\left(8m-2n\right)\right]$

$\int_0^1\left(\frac{x}{3+e^{x^2}}\right)dx$

$9\cdot x=-540$

$\left(24x+18\right)\left(25x+21\right)\left(15x+16\right)$

$4-6v=-26$