1003187004

SubArea: 
Absolute value
Level: 
B
Project ID: 
1003187004
Accepted: 
1
Clonable: 
0
Easy: 
0
Let \( x\in(-\infty;0) \). The expression \( \left|x-|x|\right| +\left|x+|x|\right|+1-x|x| \) is equal to:
\( (x-1)^2 \)
\( (x+1)^2 \)
\( x^2+1 \)
\( 1-x^2 \)