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X2+X2-8X+12=0
We add all the numbers together, and all the variables
2X^2-8X+12=0
a = 2; b = -8; c = +12;
Δ = b2-4ac
Δ = -82-4·2·12
Δ = -32
Delta is less than zero, so there is no solution for the equation
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