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Mathematics, 18.03.2021 01:40 meandmycousinmagic

If using the method of completing the square to solve the quadratic equation x2 - 6x – 7 = 0, which number would have to be added to "complete the square"?​

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If using the method of completing the square to solve the quadratic equation x2 - 6x – 7 = 0, which...
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