-0,5x^2+3x-4,5=0

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Solution for -0,5x^2+3x-4,5=0 equation: 



-0.5x^2+3x-4.5=0

a = -0.5; b = 3; c = -4.5;
Δ = b2-4ac
Δ = 32-4·(-0.5)·(-4.5)
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{-3}{-1}=+3$

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