What are the solutions to the equation 7x² + 3x – 4 = 0?

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What are the solutions to the equation 7x² + 3x – 4 = 0?

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Dâu 5 months 2021-09-05T09:32:38+00:00 1 Answers 0 views 0

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    2021-09-05T09:34:16+00:00

    (7x -4)(x + 1)
    x = 4/7 and x = -1

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )