SOLUTION: n=3 2 and 2i are zeros f(-1)=-15 What does f(x) =

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Question 1010032: n=3
2 and 2i are zeros
f(-1)=-15
What does f(x) =

Found 2 solutions by MathLover1, fcabanski:
Answer by MathLover1(20850)   (Show Source): You can put this solution on YOUR website!
=> degree
and are zeros
if is zero, then is zero too, complex zeros always come in pairs
so, we use zero product theorem to find the polynomial
given also , but since all three roots are given, this will not be used
then







=> your answer

now, we can check if







Answer by fcabanski(1391)   (Show Source): You can put this solution on YOUR website!
The image with explanation is attached. For more explanation, you can view the video: https://youtu.be/v1xq95q_5L8


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