Answer:
The answer is 9/x-1
Step-by-step explanation:
Because both terms have the same denominator, then we can subtract the numerators upon the same denominator:
⇒ x+1/x-1 - x-8/x-1 = ((x + 1) - (x - 8))/(x - 1)
= (x + 1 - x + 8)/(x - 1) [expand the brackets and simplify]
= 9/(x - 1)
