Answer:
x-41
Step-by-step explanation:
use the foil method
8/(x+3) = [8*(x+1)] / [(x+3)(x+1)] = (8x+8) / [(x+3)(x+1)]
5/(x+1) = [5*(x+3)] / [(x+3)(x+1)] = (5x+15) / [(x+3)(x+1)]
(8x+8 - (5x+15)) / [(x+3)(x+1)] =
= (3x-7) / [(x+3)(x+1)]