SOLUTION:

Question 636410:
Found 2 solutions by stanbon, butterbean0315:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Express in simplest form:
(2x-4)/(x^2+4x-12)
Factor:
(2(x-2))/[(x+6)(x-2)]
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Cancel:
= 2/(x+6)
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Cheers,
Stan H.

Answer by butterbean0315(7) (Show Source): You can put this solution on YOUR website!
Express in simplest form: 2x-4/X2+4-12
*2x-4/X2+4-12
*extract the roots of X2+4-12
which are (x+6)(x-2) and the roots of 2x-4 which is 2(x-2)
*now it will look like 2(x-4)/(x+6)(x-2)
*cancel (x-2)
now you get the equation of 2/x+6
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-bunotski