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Thread: Help with getting into appropriate form

  1. #1
    Junior Member
    Mar 2010

    Help with getting into appropriate form

    I'm not too good at algebra and need help with getting something into the appropriate form. If I have something like:

    (2k_1 + 1) + (2k_2 + 1) What would be the appropriate form?

    I have an example of the following, but I'm not sure how to apply it to the above equation (in other words, how to handle the extra +1):

    (2k_1 + 1) + 2k_2 = 2(k_1 + k_2) + 1
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  2. #2
    Super Member Quacky's Avatar
    Nov 2009
    Windsor, South-East England
    I don't think you can do much with this, unfortunately. The key thing to acknowledge is that:

    =2k_{1}+2k_{2}+1+1 This is, as I'm sure you're aware, down to the commutative law of addition: the order in which you add things does not matter if there is only addition present in the sum.


    You multiply everything inside the bracket by what is outside the bracket, and vice versa to factorize, as with this case.
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