2x^{3}-x^{2}+2x-1=0 help me solve this 10/19/2013 | Bella from Miami, FL | 1 Answer | 0 Votes Mark favorite Subscribe Comment
You can do it by regrouping. 2x^{3}-x^{2}+2x-1=0 => x^{2}(2x-1) + (2x-1) = 0 => (x^{2}+1)(2x-1) = 0 Answer: x = 1/2 (in real system), i and -i (in complex system). 10/19/2013 | Robert J. Comment Comments Wow thank you 10/19/2013 | Bella from Miami, FL Comment
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