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Algebra2

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1. x-3x^1/2+2=0

  • Algebra2 - ,

    let u = x^1/2. then you have

    u^2 - 3u + 2 = 0
    (u-2)(u-1) = 0
    u = 1 or 2

    so, x^1/2 = 1 or 2
    x = 1 or 4

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