Question

factorise 5r - sr + 10n - 2sn

Answer 1

Do it in pairs......

Answer 2

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

Answer 3

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)

Answer 4

2n ( 5 - s )

Answer 5

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

Answer 6

(2n + r) (5 - s)

Answer 7

thanks for your help :)