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Mathematics
OpenStudy (anonymous):

Find a polynomial function with real coefficients that has the given zeros. (There are many correct answers.) 2, −3i

OpenStudy (anonymous):

i got x^2-2x-3i but i don't know what to do from there

OpenStudy (anonymous):

x^3-2x^2+9x-18?

OpenStudy (anonymous):

how did you know to add that last part? just because of the conjugate?

OpenStudy (precal):

Complex solutions come in pairs. There is a theorem for that. So if you are given one complex, you can assume the other

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