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    MathMomma's Avatar
    MathMomma Posts: 6, Reputation: 1
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    #1

    Jun 30, 2010, 09:56 AM
    -2(4x-1)^2+18=0
    -2(4x-1)^2+18=0

    Help!
    KISS's Avatar
    KISS Posts: 12,510, Reputation: 839
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    #2

    Jun 30, 2010, 01:18 PM

    Better?
    -2(4x-1)(4x-1)+18=0
    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
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    #3

    Jul 1, 2010, 02:14 AM

    First, expand the brackets. Then, simplify. You'll be left with a quadratic equation. Finally, solve like any other quadratic equation... you already received adequate help on your other questions.
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