Answer :
1. There are no like terms, it is in its simplest form.
2. 3(3m+2)(m-8)
3. 3(3m+10)(2m+7)
4. 3(3x-7)(2x-9)
5. 4(2x+11)(2x-11)
6. 5(4x-3)(x+8)
2. 3(3m+2)(m-8)
3. 3(3m+10)(2m+7)
4. 3(3x-7)(2x-9)
5. 4(2x+11)(2x-11)
6. 5(4x-3)(x+8)