Jawabanmu

2014-09-11T19:20:20+07:00
4(x-1)/(x+3)(x-1) - 5(x-3)/(x-1)(x+3)
= 4x-4/(x+3)(x-1) - 5x+15/(x-1)(x+3)
= 4x-4-5x-15/(x+3)(x-1)
= 4x-5x-4-15/(x+3)(x-1)
= -x-19/(x+3)(x-1)

maksud  kan??
maaf kalo salah...
soalnya persis sama soal yang di berikan sama guruku
8 4 8