7x2-70x+175=0

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Solution for 7x2-70x+175=0 equation: 



7x^2-70x+175=0

a = 7; b = -70; c = +175;
Δ = b2-4ac
Δ = -702-4·7·175
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{70}{14}=5$

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