(a^2)-9a+28=0

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Solution for (a^2)-9a+28=0 equation: 



(a^2)-9a+28=0

a = 1; b = -9; c = +28;
Δ = b2-4ac
Δ = -92-4·1·28
Δ = -31
Delta is less than zero, so there is no solution for the equation

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