Question

ayudaaaaaaaaaaaaaaaaaaaaaaaaaaaa

Answer 1

- (4a - 3b + 5c) - [ 2a - (2b + 3c - 4a) - (4c + 6b - a)]
- 4a + 3b - 5c - [ 2a - 2b - 3c + 4a - 4c - 6b + a]
- 4a + 3b - 5c - ( 7a - 8b - 7c)
- 4a + 3b - 5c - 7a + 8 b + 7c
- 11a + 11b + 2c
ordenando
11b - 11a + 2c