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[tex] |x| + 2x + 1 + |1 - x| = \\ x < 0[/tex]
am nevoie urgent pls​


Răspuns :

| x | + 2x + 1 + | 1 - x | =

= - x + 2x + 1 + 1 - x

= - 2x + 2x + 2

= 2