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Which equation could be solved using this application of the quadratic formula? A. X2 + 1 = 2x − 3 B. X2 – 2x − 1 = 3 C. X2 + 2x − 1 = 3 D. X2 + 2x − 1 = -3

User Dmitris
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Answer:

All three of them.

User Hynek Bernard
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