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Solve[-1 + (4 + 2*Sqrt[3])*x - 4*x^2 + (-4 - 2*Sqrt[3])*x^3 + x^4==0,x]
Solve[-1 + (4 + 2*Sqrt[3])*x - 4*x^2 + (-4 - 2*Sqrt[3])*x^3 + x^4==0,x]
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