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There is a third argument for Solve but you can use NSolve to get a numerical solution in the Reals: NSolve[x^3 - 1 == x, x, Reals] {{x -> 1.32471796}} OR Solve for exact Root solutions Solve[x^3 - 1 == x, x, Reals] {{x -> Root[-1 - #1 + #1^3 &, 1]}} OR as Michael E2 noted in the comments, using ToRadicals will give you something ...



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