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Rezolvati ecuatia :
x²- 5x+6=0


Răspuns :

[tex]x^{2} -5x+6=0 \\ delta= 5^{2} -4*6=25-24=1 \\ x_{1} = \frac{5+1}{2} = \frac{6}{2} =3 \\ x_{2} = \frac{5-1}{2} = \frac{4}{2} =2[/tex]