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    Algebra Factorising niamhbgall

    I don't get this question :( can some one show me how to do it

    (i)

    ad+ac+bd+bc

    I'm really confused :/

    1. avatar image

      JackW

      You have to notice that ad+ac can be factorise a(c+d) and bd+bc can also be factorised b(c+d). If you notice that the expression inside he brackets is the same we can write this as (a+b)(c+d)

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      Me

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