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35x^2-70x+35=0
a = 35; b = -70; c = +35;
Δ = b2-4ac
Δ = -702-4·35·35
Δ = 0
Delta is equal to zero, so there is only one solution to the equation
Stosujemy wzór:$x=\frac{-b}{2a}=\frac{70}{70}=1$
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