$\int\frac{2x^2-3x+5}{\left(x-3\right)\left(x+4\right)\left(x+1\right)}dx$

$4+7+2-7-3$

$\frac{sec\left(x\right)}{csc\left(x\right)}=1$

$\left(3x^2lnx+x^2+y\right)dx+xdy=0$

$\frac{x+1}{x-3}\ge2$

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

$\left(5+4-7\right)\left(8\right)$