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2(x^2-4x+508)=0
We multiply parentheses
2x^2-8x+1016=0
a = 2; b = -8; c = +1016;
Δ = b2-4ac
Δ = -82-4·2·1016
Δ = -8064
Delta is less than zero, so there is no solution for the equation
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