8x2+112x+392=0

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Solution for 8x2+112x+392=0 equation: 



8x^2+112x+392=0

a = 8; b = 112; c = +392;
Δ = b2-4ac
Δ = 1122-4·8·392
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{-112}{16}=-7$

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