[tex]| (| x - 2 | - 3 |) (| x - 1 |) \leq 0[/tex]
Dar stim ca orice modul ≥ 0
[tex]=\ \textgreater \ (| | x - 2 | - 3 | ) (| x - 1 |) = 0\\ =\ \textgreater \ (|x-2|-3)(x-1)=0[/tex]
=> x-1 sau |x-2|-3 este 0
Daca x-1 = 0 => x = 1
Daca |x-2|-3 = 0 => |x-2| = 3 => x ∈ {-1, 5}