SOLUTION: 1/a-b + 1/b-a I'm confused, why is the answer 0? Could you answer the question in a specific step by step process please, I'd really appreciate it.

SOLUTION: 1/a-b + 1/b-a I'm confused, why is the answer 0? Could you answer the question in a specific step by step process please, I'd really appreciate it.

Algebra.Com

Question 853079: 1/a-b + 1/b-a
I'm confused, why is the answer 0? Could you answer the question in a specific step by step process please, I'd really appreciate it.
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!

Sorry, I sent this inadvertantly

Change the sign of the 2nd fraction, factor out -1 in the denominator, resulting

now a is positive and b is negative, -1 changes the sign so we have
= 0
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