Answer:
x/x+1
Explanation:
start by reducing the 4n-4 by distributing the 4 to make it 4(x-1)
So the fraction would be 4n/4(x-1)
Now that you have done that you can easily take off the 4 as well as the x-1 thats now in the parentheses
The new equation would be
n*n-1/n+1
Now just multiply:
x/x+1