81x2-36x+4=0

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Solution for 81x2-36x+4=0 equation: 



81x^2-36x+4=0

a = 81; b = -36; c = +4;
Δ = b2-4ac
Δ = -362-4·81·4
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{36}{162}=2/9$

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