(-2,+\sqrt{x}-7)x^{2}

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(-2,+\sqrt{x}-7)x^{2}

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bonexptip 4 years 2021-08-23T07:11:29+00:00 1 Answers 11 views 0

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  1. trungdung22
    0
    2021-08-23T07:12:37+00:00
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    (-2 = √x – 7)x² (calculate)

    (-9 = √x)x² (remove the parantheses)

    -9x² + √x x²

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