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Posted by on Tuesday, December 1, 2009 at 11:48pm.

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

  • algebra - , Wednesday, December 2, 2009 at 8:45am

    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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