70x-25x2-49=0

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Solution for 70x-25x2-49=0 equation: 



70x-25x^2-49=0

a = -25; b = 70; c = -49;
Δ = b2-4ac
Δ = 702-4·(-25)·(-49)
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{-70}{-50}=1+2/5$

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