Question

http://prntscr.com/b7pa1c

Answer 1

you have the following on the top

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

Answer 2

do you see that ? do you know what I did?

Answer 3

You took out the restrictions

Answer 4

then you have the following

2x-1+x^2-2x-8

Answer 5

combine like terms you have

x^2-9
--------
(x-3)(x+2)

Answer 6

then the top is

(x-3)(x+3)
----------
(x-3)(x+2)

Answer 7

can you take it from there?

Answer 8

No