$\left(\frac{2}{3y}+4\right)^2$

$\left(x^2+3x^{-2}\right)\left(x^2+3x^2\right)$

$\frac{dx}{dv}=\frac{2}{x}$

$y\left(x\right)\ln\left(y\right)+x\frac{dy}{dx}=0$

$f\left(x\right)=1+\frac{2}{x}$

$18mxy^2+54m^2x^2y^2-36my^2$

$\log_{12}\left(2x\right)+\log_{12}\left(x-1\right)=1$