Mathematics
Mathematics, 22.04.2021 16:10, blackopsty23

If using the method of completing the square to solve the quadratic equation x2 + 3x + 21 = 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 + 3x + 21 = 0, whi...

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