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a^2-a+4.25=0
We add all the numbers together, and all the variables
a^2-1a+4.25=0
a = 1; b = -1; c = +4.25;
Δ = b2-4ac
Δ = -12-4·1·4.25
Δ = -16
Delta is less than zero, so there is no solution for the equation
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