2x^2+10x+12.5=0

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Solution for 2x^2+10x+12.5=0 equation: 



2x^2+10x+12.5=0

a = 2; b = 10; c = +12.5;
Δ = b2-4ac
Δ = 102-4·2·12.5
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{-10}{4}=-2+1/2$

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