25x2-420x+1764=0

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Solution for 25x2-420x+1764=0 equation: 



25x^2-420x+1764=0

a = 25; b = -420; c = +1764;
Δ = b2-4ac
Δ = -4202-4·25·1764
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{420}{50}=8+2/5$

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