Let's simplify the expression step by step:
(4а/2-а) -а) = (2a - a) - a = a - a = 0
Therefore, the expression simplifies to:
0/а+2/а-2 = 0+2/а-2 = 2/а-2
So, the final simplified expression is 2/a - 2.
Let's simplify the expression step by step:
(4а/2-а) -а) = (2a - a) - a = a - a = 0
Therefore, the expression simplifies to:
0/а+2/а-2 = 0+2/а-2 = 2/а-2
So, the final simplified expression is 2/a - 2.