9000088810

Parte: 
Project ID: 
9000088810
Accepted: 
1
Clonable: 
0
Easy: 
0
Simplifica la expresión \(\left (x -\frac{1} {x}\right )\cdot \left (1 - \frac{x} {x+1}\right )\).
\(\frac{x - 1} {x} \)
\(\frac{x - 1} {x + 1}\)
\(\frac{1 - x} {x + 1}\)
\(\frac{1 - x} {x} \)