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11x^2+44x+44=0
a = 11; b = 44; c = +44;
Δ = b2-4ac
Δ = 442-4·11·44
Δ = 0
Delta is equal to zero, so there is only one solution to the equation
Stosujemy wzór:$x=\frac{-b}{2a}=\frac{-44}{22}=-2$
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