SOLUTION: Hello there Im strugling with this problem.Could you help? Thanks For all R =/ + and - 2 , R2 - 5R + 6 ----------- --- = ? R2 -4 TH

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Question 164126: Hello there Im strugling with this problem.Could you help? Thanks
For all R =/ + and - 2 ,


R2 - 5R + 6
--------------- = ?
R2 -4
THE answer is
R - 3
------- I would like to know why.Thanks
R + 2

Answer by nerdybill(7384)   (Show Source): You can put this solution on YOUR website!

.
Notice that you can factor the numerator:

.
Similarly, you can factor the denominator:

.
Now, you can cancel like-terms:


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