r^2-4r+8=0

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Solution for r^2-4r+8=0 equation: 



r^2-4r+8=0

a = 1; b = -4; c = +8;
Δ = b2-4ac
Δ = -42-4·1·8
Δ = -16
Delta is less than zero, so there is no solution for the equation

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