x2-2x+4=0

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Solution for x2-2x+4=0 equation: 



x2-2x+4=0

We add all the numbers together, and all the variables

x^2-2x+4=0

a = 1; b = -2; c = +4;
Δ = b2-4ac
Δ = -22-4·1·4
Δ = -12
Delta is less than zero, so there is no solution for the equation

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