Answer :
[tex]1.\\ \\ 4a^2b + 5 - 6a^3b - 3a^2b + 2a^3b = \\ \\ = - 6a^3b + 2a^3b +4a^2b - 3a^2b+ 5=\\ \\= - 4a^3b + a^2b + 5[/tex]
4a²b + 5 - 6a³b - 3a²b + 2a³b
We first simplify similar expressions,
4a²b - 3a²b + 5 -6a³b + 2a³b
= a²b + 5 - 4a³b
We first simplify similar expressions,
4a²b - 3a²b + 5 -6a³b + 2a³b
= a²b + 5 - 4a³b