x2-7x+20=0

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Solution for x2-7x+20=0 equation: 



x2-7x+20=0

We add all the numbers together, and all the variables

x^2-7x+20=0

a = 1; b = -7; c = +20;
Δ = b2-4ac
Δ = -72-4·1·20
Δ = -31
Delta is less than zero, so there is no solution for the equation

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