b^2-4b+9=0

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Solution for b^2-4b+9=0 equation: 



b^2-4b+9=0

a = 1; b = -4; c = +9;
Δ = b2-4ac
Δ = -42-4·1·9
Δ = -20
Delta is less than zero, so there is no solution for the equation

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