SOLUTION: what is the simplest polynomial you can write with -4 and 1+2i

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Question 980504: what is the simplest polynomial you can write with -4 and 1+2i
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
The simplest polynomial that has these two zeros I'm assuming.
f%28x%29=%28x%2B4%29%28x-%281%2B2i%29%29
f%28x%29=%28x%5E2%2B4x%29-%281%2B2i%29x-4%281%2B2i%29
f%28x%29=x%5E2%2B%283-2i%29x-%284%2B8i%29