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    algebratrouble's Avatar
    algebratrouble Posts: 1, Reputation: 1
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    #1

    Jan 10, 2008, 12:51 AM
    algebra-variables and equations
    HELP! None of this makes sense. Can anyone give a general explanation of the following- 5(x+3) + (4x-7y) + (3x+2y) = 5x + 15 + 4x - 7y +3x + 2y =12x + 15 - 5y
    dscott_19's Avatar
    dscott_19 Posts: 2, Reputation: 1
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    #2

    Jan 12, 2008, 04:11 PM
    f(x)=2x^2-4x
    dscott_19's Avatar
    dscott_19 Posts: 2, Reputation: 1
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    #3

    Jan 12, 2008, 04:14 PM
    f(x)=2x-4x
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