8.1n^2+3.6n+0.4=0

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Solution for 8.1n^2+3.6n+0.4=0 equation: 



8.1n^2+3.6n+0.4=0

a = 8.1; b = 3.6; c = +0.4;
Δ = b2-4ac
Δ = 3.62-4·8.1·0.4
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$n=\frac{-b}{2a}=\frac{-3.6}{16.2}=-2.25/10.125$

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