Respuesta :

altavistard

Answer:

12

Step-by-step explanation:

Hint:  This should be n^2+2n−2=0.  The coefficients are a = 1, b = 2 and c = -2.

The discriminant is b^2 - 4ac = 4 - 4(1)(-2) = 12

Conylopez2030
The answer is 12 nene

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