$2ln\left(x^2\right)+10ln\left(y^3\right)-7ln\left(z^5\right)$

$3x^2-18x$

$52-32.8$

$\lim_{x\to\infty}\left(\frac{7x}{\ln\left(x\right)}\right)$

$2x-12>-4$

$y'\:=\frac{\sqrt{1-y^2}}{y}$

$\left(\left(x^{\frac{2}{b}}\right)^{ab}-\left(x^{6a}y^{\frac{4a}{b}}\right)^{\frac{b}{2a}}+\left(\frac{y^{-2}}{4}\right)\right)$