stef8246 stef8246 07-12-2020 Mathematics contestada Add (4a²b - 3ab2 + 2ab + 5) and (2a2b + 3ab2 - 7ab). A. 6a4b2 - 5ab + 5 B. 6a²b - 5ab + 5 C. 6a2b2 - 5a2b2 - 5 D. 6a²b - 5ab - 5