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lilg132

  • 3 years ago

factorise 5r - sr + 10n - 2sn

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  1. estudier
    • 3 years ago
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    Do it in pairs......

  2. lilg132
    • 3 years ago
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    your a big help estudier i cant can you help me or atleast teach me the method you would use to work this out, by saying do it in pairs its useless to me

  3. estudier
    • 3 years ago
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    5r - sr is r(5-s) That's the first pair. (Sorry to be oblique but I was just complained at for giving the answer too easily)

  4. lilg132
    • 3 years ago
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    2n ( 5 - s )

  5. estudier
    • 3 years ago
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    There u go, now factor your (5-s) out of both and you are done.

  6. lilg132
    • 3 years ago
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    (2n + r) (5 - s)

  7. lilg132
    • 3 years ago
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    thanks for your help :)

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