1.25x^2-2.5x+1.25=0

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Solution for 1.25x^2-2.5x+1.25=0 equation: 



1.25x^2-2.5x+1.25=0

a = 1.25; b = -2.5; c = +1.25;
Δ = b2-4ac
Δ = -2.52-4·1.25·1.25
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{2.5}{2.5}=1$

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