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17 July, 17:44

Which of the following is a solution of x2 + 2x = - 2?

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  1. 17 July, 18:05
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    Solve by completing the square

    use formula (b/2 to the power of 2) in order to create a ner term. Solve for x by using this term to complete the square.

    x + - 1 + i

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