Patrick B. answered • 01/08/21
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(x-4)(x+4i)(x-4i) =
(x-4)(x^2+16) =
x^3 - 4x^2 + 16x - 64
E C.
asked • 01/08/21Write a polynomial equation with roots 4 and −4i.
x^3-__x^2+__x-__=0
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