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09-11-2016
Mathematics

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What value is added to both sides of the equation x2 − 6x = 10 in order to solve by completing the square?

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10-11-2016

to find the perfect square needed, you take the "middle" value and half it, then square it. so in this case, take -6, half it into 3, and square it to get 9. you'll be adding 9 to both sides

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