$\int\frac{6x-1}{x^2-3x+2}dx$

$\left(7x-1\right)\left(9x+2\right)$

$\left(xy^2+xy\right)dx+\left(x^2y-y\right)dy=0$

$15k\:\:+\:\:8m\:\:-\:\:7k\:\:+\:\:2m$

$\lim\:_{x\to\:\infty\:}\left(-ln\left(x-1\right)\right)$

$y=\frac{4}{3\pi}sin\left(3x\right)+\frac{4}{7\pi}cos\left(7x\right)$

$-14^3$