$\frac{dy}{dx}=\frac{xy-2y+x-2}{xy-3y+x-3}$

$2\cdot0\cdot1$

$1x^2+\frac{2}{3}x-\frac{1}{9}+\frac{17}{9}x-\frac{1}{9}$

$az\left(b-3\right)+8\left(b-3\right)$

$\lim_{x\to3}\left(\frac{x-\sin\left(x-3\right)-3}{x-3}\right)$

$\left(-7\right)\:-\:\left(-4\right)\:-\:\left(-5\right)$

$4x^4+4x^3+x^2$