This involves simplification of fractions involving algebra.
(2/5)m - (1/5) or (1/5)(2m - 1)
2[(1/5)m - (2/5)] + (3/5)
Let's first expand the first bracket to get;
(2/5)m - (4/5) + (3/5)
(2/5)m - (1/5)
(1/5)(2m - 1)
This can also be written as;
(2m - 1)/5
(2/5)m - (1/5) or (1/5)(2m - 1)
Read more at; brainly.com/question/15894738