Level:
Project ID:
2010006613
Source Problem:
Accepted:
0
Clonable:
1
Easy:
0
Assuming \( x\in \mathbb{R}\setminus \{-1;2;1\}\), simplify the expression:
\[\left( \frac{x-1}{x-2} - \frac{x}{x-1}\right)\cdot \left(x-\frac{3x}{x+1}\right) \]
\( \frac{x}{x^2-1}\)
\( \frac{x}{1-x^2}\)
\( \frac{x(1-4x)}{x^2-1}\)
\( \frac{x(4x-1)}{x^2-1}\)