45g^2+60g+20=0

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Solution for 45g^2+60g+20=0 equation: 



45g^2+60g+20=0

a = 45; b = 60; c = +20;
Δ = b2-4ac
Δ = 602-4·45·20
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$g=\frac{-b}{2a}=\frac{-60}{90}=-2/3$

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