8k^2-80k+200=0

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Solution for 8k^2-80k+200=0 equation: 



8k^2-80k+200=0

a = 8; b = -80; c = +200;
Δ = b2-4ac
Δ = -802-4·8·200
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$k=\frac{-b}{2a}=\frac{80}{16}=5$

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