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Question: Problem extracting roots of cubic polynomials

Question:Problem extracting roots of cubic polynomials

b1narez 15
roots rtfm
October 27 2018
3

Using Maple 2017.3, I ask for the roots of x3-x2-8x+8 and I get the following result:

roots(x^3-x^2-8*x+8);
                            [[1, 1]]

However, I know that (2*sqrt(2)) and -(2 * sqrt(2)) are also roots. Is this a bug or something I do not understand about the "roots" command?

 
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