0.5x2-5x+12,5=0

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Solution for 0.5x2-5x+12,5=0 equation: 



0.5x^2-5x+12.5=0

a = 0.5; b = -5; c = +12.5;
Δ = b2-4ac
Δ = -52-4·0.5·12.5
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{5}{1}=5$

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