Question

2x - 2 per x kuadrat + 4x + 3 - 4 per x + 3

Answer 1

2x-2/(x+3)(x+1) - 4/(x+3)

samakan penyebut

2x-2/(x+3)(x+1) - 4(x+1)/(x+1)(x+3)
= 2x-2-4x-4 / (x+1)(x+3)
= -6x-6 / (x+1)(x+3)
= -(x+1) / (x+1)(x+3)
= -1 / x+3