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If a root of a polynomial is -3i, which of the following must be factors?( it's higher degree polynomials) (WILL MARK THE BRAINLIEST)!!!!I . x-3i II. x+3i lll. x^{2} - 3 a. I and III b. II and III c. I and II d. I, II, and III |
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Answer» Step-by-step EXPLANATION: x+3 Will be the FACTOR |
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