Anyway, stuck on something here, I'll give you part of the problem below:
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3 1 4
--- + --- = -----
X+6 x-2 x(2) + 4x - 12
The section x(2) + 4x - 12 in the book is show factored to (x+6)(x-2)
This is done to also find the LCD.
I dont understand how it got to (x+6)(x-2)??