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Mathematics, 17.06.2021 06:40 shyshy1791

If using the method of completing the square to solve the quadratic equation x 2 − 10 x − 20 = 0 x 2 −10x−20=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 x 2 − 10 x − 20 = 0 x 2...
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