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20 June, 00:28

3st+2su-4sv factorised

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  1. 20 June, 00:35
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    The first step to factorising this expression, is finding what is common in each term.

    The GCF of 3, 2 and - 4 is 1 therefore we will not have a coefficient of the outside terms.

    Then we have st, su and sv

    s is common in all of them therefore we can take out s.

    So far we have s ()

    Now for each term we must find what we multiply by s to reach it.

    3st / s = 3t

    2su / s = 2u

    -4sv / s = - 4v

    Now just put these values inside the brackets.

    s (3t + 2u - 4v)
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