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256x^2+96x+9=0
a = 256; b = 96; c = +9;
Δ = b2-4ac
Δ = 962-4·256·9
Δ = 0
Delta is equal to zero, so there is only one solution to the equation
Stosujemy wzór:$x=\frac{-b}{2a}=\frac{-96}{512}=-3/16$
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