Question: (1 point) Let f(x) = x4 + 7x3 + 19x2 + 333: + 20 Given that 1 21' is a root of f (x), list

(1 point) Let f(x) = x4 + 7x3 + 19x2 +

(1 point) Let f(x) = x4 + 7x3 + 19x2 + 333: + 20 Given that 1 21' is a root of f (x), list all of the roots including the complex roots. Note: enter your answer as a list of complex numbers, such as 3, -9, 8-1 1 i, 14+i

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