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Thread: [RESOLVED] Factorise

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  1. Sep 1st, 2007, 11:55 PM #1
    Yunie
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    Resolved [RESOLVED] Factorise

    (a) Factorise x^2 - 16


    (b) Use your answer to part (a) to find the other two factors of 39984


    (a) x^2 - 16 = (x-4)(x+4)


    I have done part (a) but I do not know how to use the answer in part (a) to solve for (b). Please help. Thanks a lot.
    Last edited by Yunie; Sep 4th, 2007 at 12:30 AM.
    I really want to do well in maths. Please help and tolerate my stupidness.

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