Question

Simplify Complex fraction:

(x-1)
-----
(x-3)
---------
1 4
---- - ----
x2-x-6 (x+2)

Answer 1

If you mean

(x-1)/(x-3) / (1/(x^2-x-6) - 4/(x+2)) then that is

(x-1)/(x-3) / (1 - 4(x-3))/((x-3)(x+2))

(x-1)/(x-3) * (x-3)(x+2) / (13-4x)

(x-1)(x+2)/(13-4x)