SOLUTION: simplify a complex fraction please. Thanks
1/9+1/3x / x/9-1/x
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Question 161797: simplify a complex fraction please. Thanks
1/9+1/3x / x/9-1/x
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
simplify a complex fraction
:
----------
:
Convert both to a single fraction over a common denominator
----------
:
which is:
----------
:
Invert the dividing fraction and multiply, cancel out 9x
* =
:
Note that x^2-9 is the "difference of squares" so factor that. Cancel out x+3
=
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