SOLUTION: The stated problem: Given that the polynomial function has the given zero, find the other zeros. f(x)= x to the third minus 4x squared + 14x -20; the given zero is two. I am able

Question 669665: The stated problem: Given that the polynomial function has the given zero, find the other zeros. f(x)= x to the third minus 4x squared + 14x -20; the given zero is two.
I am able to get to the end by using division or synthetic division with a final quotient of: x squared -2x+10 then use that in a quadratic equation and end with 2 + or - 6 divided by two. My answer (which is wrong is 1+3, 1-3)The correct answer is 1+3i & 1-3i & of course -2. I don't understand. Please if you can, explain. Thanks!
Answer by ReadingBoosters(3246) (Show Source): You can put this solution on YOUR website!
when you were on this step...

...

...
x =
...
x =
...
x =
where i =
...
x =
...
giving the answer
1 + 3i, 1-3i and 2
.....................
Delighted to help.
-Reading Boosters
Wanting for others what we want for ourselves.
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