Edexcel GCSE maths higher: I desperately need answers for these:

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1) factorise x<2 + px + qx + pq
2) write as a single fraction in its simplest form:
2/(x-4) - 1/(x+3)
Please! My last maths exam is tomorrow!

Posted Tue 12th June, 2012 @ 18:13 by mightaswellbehezzyb

1 Answer

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1) (x+p)(x+q)

2)  2(x+3)-1(x-4)                                       2x+6-x+4            x+10

    ------------------ (as you cross multiply)= ----------------=-----------------

       (x+3)(x-4)                                          x^2-x-12           x^2-x-12

Hope this helps!

Answered Tue 12th June, 2012 @ 18:31 by Dilly