Which One of the Following Is a Polynomial with Real $2+i$

question 31

Multiple Choice

Which one of the following is a polynomial with real coefficients that has -2 and $2+i$ as zeros?

• A) \((x+2)(x-2-i)\)
• B) \((x-2)(x+2+i)\)
• C) \((x+2)\left(x^{2}-4 x+5\right)\)
• D) \((x-2)\left(x^{2}-4 x+5\right)\)
• E) \((x+2)\left(x^{2}+5\right)\)

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