(-2+√-3)(-3+2√-3) form of a+ib
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(-2 - 1/3 i )^3' and find homework help for other Math questions at eNotes. ... (-2 - 1/3 i )^3. We'll use the formula (-a-b)^3=(-a)^3+(-b)^3+3(-a)(-b)(- a-b).
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