X2+9x+640=0

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Solution for X2+9x+640=0 equation: 



X2+9X+640=0

We add all the numbers together, and all the variables

X^2+9X+640=0

a = 1; b = 9; c = +640;
Δ = b2-4ac
Δ = 92-4·1·640
Δ = -2479
Delta is less than zero, so there is no solution for the equation

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