$\frac{x-3}{x+2}<2$

$\int\left(z^3\left(6z^4+1\right)\right)dx$

$x^2+39x+108$

$\frac{4m}{m}+\frac{3n}{n}-\frac{2x}{x}$

$1.2+1.7x=30-1.5x$

$\lim\:_{y\to\:\:4}\left(\left(\frac{3}{7}\right)^{\frac{2y-1}{-4\log\left(5-y\right)}}\right)$

$\frac{\cos\left(x\right)}{\sin\left(x\right)}-\frac{\csc\left(x\right)}{\cos\left(x\right)}$