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April 18, 2015

April 18, 2015

Posted by **James** on Friday, April 25, 2008 at 11:27am.

- Algebra 2 -
**Damon**, Friday, April 25, 2008 at 3:13pmIf (x - 2i ) then also the complex conjugate (x+2i) must be a factor. Then of course (x-4) so:

(x-2i)(x+2i)(x-4)

=(x^2+4)(x-4)

=x^3 - 4 x^2 + 4 x -16

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