SOLUTION: Please help me simplify this complex rational expression:
6/x^2-4 - 5/x+2
___________ _____
7/x^2-4 - 4/x-2
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Question 107649This question is from textbook Intermediate Algebra
: Please help me simplify this complex rational expression:
6/x^2-4 - 5/x+2
_________________
7/x^2-4 - 4/x-2
This question is from textbook Intermediate Algebra
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
Assume you mean:
-
-------------------
-
:
Note that (x^2 - 4) can be factored to (x+2)(x-2)
That will the common denominator for both the numerator & denominator fractions.
:
------------- =
:
:
Multiply what's inside the brackets
----------------- =
:
:
----------------- =
:
:
Invert the dividing fraction and multiply:
*
:
Cancel (x+2)(x-2) and you have:
:
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