The calculator will find the roots of the given polynomial and their multiplicities.

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Solve $$$x^{4} - 4 x^{3} + 5 x^{2} - 4 x + 4 = 0$$$.

Root: $$$2$$$A, multiplicity: $$$2$$$A.

Root: $$$- i$$$A, multiplicity: $$$1$$$A.

Root: $$$i$$$A, multiplicity: $$$1$$$A.