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If I do this:S = Solve[x^3 - 2*x^2 + 1 == 0, x]I get this returned:{{x -> 1}, {x -> 1/2 (1 - Sqrt[5])}, {x -> 1/2 (1 + Sqrt[5])}}But I want to be able to take, say, the third expression and assign it to a function called...