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    jonny96's Avatar
    jonny96 Posts: 1, Reputation: 1
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    #1

    Feb 8, 2009, 09:49 AM
    factorise fully
    8x squared + 4x
    Chin-Chee's Avatar
    Chin-Chee Posts: 51, Reputation: 1
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    #2

    Feb 8, 2009, 11:16 AM

    68x, I'm pretty sure, you have 8 squared which equals 64x plus 4x which would equal 68x

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    galactus's Avatar
    galactus Posts: 2,271, Reputation: 282
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    #3

    Feb 8, 2009, 12:32 PM


    No, for goodness sake it is not 68x.

    Just factor out a 4x.



    There. That's all there is to it.
    survivorboi's Avatar
    survivorboi Posts: 431, Reputation: 9
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    #4

    Feb 8, 2009, 01:39 PM
    Quote Originally Posted by galactus View Post


    No, for goodness sake it is not 68x.

    Just factor out a 4x.



    There. That's all there is to it.
    WOW. I got it wrong, this is how I would have done it:

    8x^2+4x is:

    8+4=12

    12x^2 was my answer... I was way off wasn't I?

    By the way, galactus, how did you type the equations that way? How did you get the powers to be small and on top?
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