Find All Zeros of the Function $f ( x ) = ( x + 6 ) ( x + 3 i ) ( x - 3 i )$

question 74

Multiple Choice

Find all zeros of the function $f ( x ) = ( x + 6 ) ( x + 3 i ) ( x - 3 i )$ .

• A) \(x = 6 , - 3 i , 3 i\)
• B) \(x = - 6,3 i\)
• C) \(x = - 6 , - 3,3\)
• D) \(x = - 6 , - 3 i , 3 i\)
• E) \(x = - 6\)

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