2x-2/x^2+4x+3 - 4/x+3= tolong dibantu ya

(2x -2/x^2+4x+3) - (4/x+3)
Mudahan begini maksud pertanyaannya
2x-2/(x+1)(x+3) - 4/x+3
Samakan penyebut
2x -2/(x+1)(x+3) - 4(x+1)/(x+1)(x+3)
(2x -2 -4x - 4) /(x+1)(x+3)
-2x-6/(x+1)(x+3)
-2(x+3)/(x+1)(x+3)
-2/x+1