Question

Somebody help please​

Answer 1

Answer: look at the picture i attached!

Answer 2

`(2(a+4b))/(a^2 -b^2 )`

Explanation:

`(3)/(a-b) -(1)/(a+b) +(4b)/((a-b)(a+b))` =

`(3(a+b))/((a-b)(a+b)) -(a-b)/((a-b)(a+b)) +(4b)/((a-b)(a+b))` =

`(3a + 3b -a + b + 4b)/((a-b)(a+b))` =

`(2(a+4b))/(a^2 -b^2 )`