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X^2 + x, what number must be added to complete the square
[From: ][author: ][Date: 12-07-12][Hit: ]
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Thank you :)
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You have to add 1/4. You take the coefficient of the x to the first power term, halve it, and square that. You get x^2 + x + 1/4, which is (x + 1/2)^2.
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1/4
1
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