SOLUTION: x^3-3x^2+4x-12=0 solve the equation exactly in the complex number system

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Question 870847: x^3-3x^2+4x-12=0
solve the equation exactly in the complex number system
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!



Hi

x^3-3x^2+4x-12=0   |x = 3 one solution

Using synthetic Division to find others

3	1	-3	4	-12

		3	0	12

	1	0	4	0

  (x-3)(x^2 + 4) = 0

 3, 2i, -2i