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16x^2+16x+4=0
a = 16; b = 16; c = +4;
Δ = b2-4ac
Δ = 162-4·16·4
Δ = 0
Delta is equal to zero, so there is only one solution to the equation
Stosujemy wzór:$x=\frac{-b}{2a}=\frac{-16}{32}=-1/2$
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