Question

(a/b-b/a)(a-a^2/a+b)

Answer 1

Its (a - b)

(a^2 - b^2)/ab x (a^2 + ab - a^2)/(a+b)
(a+b)(a-b)/(a+b) = (a-b)

Answer 2

Thanks. I was asking earlier but no one wanted to help me.. I've been doing my work for 2 hrs and haven't gotten anywhere...
Do you mind helping me with more?

Answer 3

sure