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algebra

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10x^4-9x^2+2=0

  • algebra -

    first factor to
    (2x^2 - 1)(5x^2 - 2) = 0
    x^2 = 1/2 or x^2 = 2/5

    x = ±1/√2 or x = ±√2/√5

    your text answer might have these rationalized.

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