Răspuns :

[tex]|x^2-3x+1|=5\Rightarrow x^2-3x+1=\pm5[/tex]

Din ecuatia
[tex]x^2-3x+1=5\Rightarrow x^2-3x-4=0\Rightarrow x_1=4; \ x_2=-1[/tex]

Iar ecuatia

 [tex]x^2-3x+1=-5\Leftrightarrow x^2-3x+6=0[/tex] nu are solutii.

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