x^2-12,6x+39,69=0

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Solution for x^2-12,6x+39,69=0 equation: 



x^2-12.6x+39.69=0

a = 1; b = -12.6; c = +39.69;
Δ = b2-4ac
Δ = -12.62-4·1·39.69
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{12.6}{2}=6+0.6/2$

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