(a^2-b^2-2b c-c^2)/(a^2+b^2+2a b-c^2) is...

`(a^2-b^2-2b c-c^2)/(a^2+b^2+2a b-c^2)` is equivalent to `(a-b+c)/(a+b+c)` (b) `(a-b-c)/(a-b+c)` (c) `(a-b-c)/(a+b-c)` (d) `(a+b+c)/(a-b+c)`

A

`(a+b+c)/( a-b+c)`

B

`(a- b- c)/( a+ b-c)`

C

`(a-b-c)/(a-b+c)`

D

`(a-b+ c)/( a+ b+c)`

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The correct Answer is:

B

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