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OpenStudy (anonymous):
If 4-i is a root of x^4-8x^3+20x^2-24x+51=0, find all other roots. Help anyone? i know that 4+i is another root, but that's as far as i get. please show work.
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OpenStudy (anonymous):
expand: (x -(4-i) ) (x- (4+i) ) divide x^4-8x^3+20x^2-24x+51 by the result.
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