$\log\left(\frac{6\left(x+4\right)^3}{\sqrt{x^5}}\right)$

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

$3.005-4.7+\left(-2\right)$

$\left(5x+2y\right)^3$

$\lim_{x\to\infty}\left(\frac{3}{x}\right)^{3x}$

$\left(5x+1\right)\left(5x=1\right)$

$\int x^2\left(2x^3-3\right)^2dx$