$\ln\left(\sqrt[3]{\sqrt{12x}}\right)$

$\frac{d}{dx}\left(2x+x^2+9\right)$

$\log\left(x\right)+5\log\left(y\right)-5\log\left(z\right)$

$\left(x^{10}\right)+\left(5y^2\right)^2$

$4a+13b-2a+2b+25$

$\lim_{x\to\infty}\left(\frac{x^5+x+4}{x^2+7}\right)$

$\frac{x^3+3x^2-5x+7}{x^2}$