2010006613

Část: 
Project ID: 
2010006613
Source Problem: 
Accepted: 
0
Clonable: 
1
Easy: 
0
Pro \( x\in \mathbb{R}\setminus \{-1;2;1\}\), zjednodušte výraz: \[\left( \frac{x-1}{x-2} - \frac{x}{x-1}\right)\cdot \left(x-\frac{3x}{x+1}\right) \]
\( \frac{x}{x^2-1}\)
\( \frac{x}{1-x^2}\)
\( \frac{x(1-4x)}{x^2-1}\)
\( \frac{x(4x-1)}{x^2-1}\)