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How do I work this out?

Algebra
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Find the polynomial with degree 3 of -3, 2i, -2i.

Mar 18th, 2015

assume that the coefficient of x^3 is 1, then 

it is y = (x+3)(x-2i)(x+2i) = (x+3)(x^2+4) = x^3+3x^2+4x+12

Mar 18th, 2015

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