9x2+54x+81=0

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Solution for 9x2+54x+81=0 equation: 



9x^2+54x+81=0

a = 9; b = 54; c = +81;
Δ = b2-4ac
Δ = 542-4·9·81
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{-54}{18}=-3$

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