SOLUTION: Please show me how to simplify: 1/x^2-1/y^2 fraction bar 1/x-1/y

Question 630814: Please show me how to simplify:
1/x^2-1/y^2 fraction bar 1/x-1/y

Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
simplify:
1/x^2-1/y^2 fraction bar 1/x-1/y
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Numerator simplified: (y^2-x^2)/(x^2y^2)
----
Denominator simplified: (y-x)/xy
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Invert the denominator and multiply:
[(y^2-x^2)/(x^2y^2)] * [(xy)/(y-x)]
----
Cancel what you can to get:
-----
= (y+x)/(xy)
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Cheers,
Stan H.
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