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    qwertyuioop's Avatar
    qwertyuioop Posts: 87, Reputation: 1
    Junior Member
     
    #1

    Jun 13, 2012, 05:39 PM
    Math
    how do I do this?
    (x+7)(x+3)
    ?
    qwertyuioop's Avatar
    qwertyuioop Posts: 87, Reputation: 1
    Junior Member
     
    #2

    Jun 14, 2012, 02:23 AM
    Quote Originally Posted by qwertyuioop View Post
    how do i do this?
    (x+7)(x+3)
    ??
    Hey people if you are looking at it you might as well say s/o thing I really need help[!
    push1t's Avatar
    push1t Posts: 8, Reputation: 2
    New Member
     
    #3

    Jun 14, 2012, 03:29 AM
    you multiply both the x's together, so you get x*x which is the same as x to the power of 2. than you do x*3, after 7*x then finally 7*3. simplify the expression and you get (x^2 + 10x + 21)
    qwertyuioop's Avatar
    qwertyuioop Posts: 87, Reputation: 1
    Junior Member
     
    #4

    Jun 14, 2012, 03:45 AM
    thanks can u help me w/ this one?! 1
    3x^2-5x^2+2 how do u do this?! Step by step!
    push1t's Avatar
    push1t Posts: 8, Reputation: 2
    New Member
     
    #5

    Jun 14, 2012, 03:47 AM
    I posted the answer on the other thread you started.
    qwertyuioop's Avatar
    qwertyuioop Posts: 87, Reputation: 1
    Junior Member
     
    #6

    Jun 14, 2012, 03:50 AM
    But I still! Don't get it!
    qwertyuioop's Avatar
    qwertyuioop Posts: 87, Reputation: 1
    Junior Member
     
    #7

    Jun 14, 2012, 03:54 AM
    Can you explain it to me!!

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