$2\log\left(x\right)+\frac{1}{2}\log\left(y\right)-3\log\left(z\right)$

$y^3-2y^3-+3y^3-2x^3+5x+3x-7x^3$

$=\frac{a^{m+3}}{a^{m+3}}$

$\int x^{-13}dx$

$\lim_{x\to1}\left(\frac{1-x}{ln\left(1-x\right)}\right)$

$\lim_{x\to0}\left(\frac{\left(b+x\right)^2-2\left(b+x\right)+1-\left(b^2-2b+1\right)}{x}\right)$

$x^3+y^3=2$