a2+4a+20=0

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Solution for a2+4a+20=0 equation: 



a2+4a+20=0

We add all the numbers together, and all the variables

a^2+4a+20=0

a = 1; b = 4; c = +20;
Δ = b2-4ac
Δ = 42-4·1·20
Δ = -64
Delta is less than zero, so there is no solution for the equation

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