What are the solutions of this quadratic equation? x + 2x = -2​

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What are the solutions of this quadratic equation? x + 2x = -2​

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Đan Thu 4 years 2021-09-05T08:02:17+00:00 1 Answers 18 views 0

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  1. Giakhanh
    0
    2021-09-05T08:03:25+00:00
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    Answer:

    x + 2x = -2

    3x = -2

    x = -2/3

       or

    x = -66.66

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