$\sqrt{108m^5n^{10}}u^{15}$

$\int\left(\frac{x+1}{\left(x+2\right)^3}\right)dx$

$\frac{4r^4s^5}{24r^4s^{-5}}$

$\left(9n-10n^{2}\right)\left(-2n^{2}+6n^{3}\right)$

$56x^2y-28xy$

$\lim_{x\to0}\left(cos\left(x+\frac{\pi}{2}\right)\right)^x$

$\left(9a+5b\right)\left(8a+5b\right)$