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Mathematics, 05.05.2021 18:10 psitthibun

Which of the following quadratic equations has NO solutions? y = -2x2 + 4x y = x2 + 3x + 6 y = -x2 + 5x - 1 y = x2 - 4 HELP

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Which of the following quadratic equations has NO solutions? y = -2x2 + 4x y = x2 + 3x + 6 y = -x2 +...
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