$-\frac{4m^{\left(x-2\right)}b^{\left(n\right)}}{-5m^{\left(3\right)}b^{\left(2\right)}}$

$\frac{x}{x^5}^8$

$-\frac{1}{2}\cdot3.6$

$\lim_{x\to2}\left(\frac{4x^2-5x-6}{x}\right)$

$\left(6f+2g\right)^2$

$\sqrt[6]{-17}$

$2-2x\le8-5x$