Hello, pickbrain!
Did you see what you wrote?
I think it's supposed to look like this: .solve for a
a a-2 a+1
3 4 25/ a-1 a+1 a-2
9 2 5
common.......................
The numerator is: .
The denominator is: .
The problem becomes: .
Divide ("subtract exponents"): .
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