Question

me ajuda a resolver pfv .. (x-1) / (x-2) - (x+1) / (x-1)

Answer 1

$\frac{x-1}{x-2}-\frac{x+1}{x-1} = \\ \\ \frac{(x+1)(x-1)-(x-2)(x+1)}{(x-2)(x-1)}=\frac{x+1}{(x-2)(x-1)}$