$\int ln\left(9x+8\right)dx$

$36m^2-18m-10$

$\frac{dy}{dx}=\frac{12x^3}{e^y}$

$7\left(5-2c\right)$

$15h^2-100h+60=0$

$\lim_{x\to\frac{3\pi}{2}}\left(\frac{sin\left(x-\frac{\pi}{2}\right)}{sin\left(x+\frac{\pi}{2}\right)}\right)$

$m^2+71mn-14m^2-65mn+n-m^2-115m^2+6n$