A2+3a-2a2-a+4a2=0

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Solution for A2+3a-2a2-a+4a2=0 equation: 



2+3A-2A^2-A+4A^2=0

We add all the numbers together, and all the variables

2A^2+2A+2=0

a = 2; b = 2; c = +2;
Δ = b2-4ac
Δ = 22-4·2·2
Δ = -12
Delta is less than zero, so there is no solution for the equation

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