Question

Find the difference:
X+1
x-1
-
X-8
x-1
O
이
9
x-1
2x-7
x-1
o
-7
1
2x + 9
1

Answer 1

x+1 - x-8

x-1. x-l

x+1 - x-8

x-1

x-x-8+1

x-1

= -7

x-1

the answer is -7

x-1