Respuesta :

The answer should be 5ab + a to the 2nd power - b to the 2nd power.

1. regroup terms

2. simplify 2ab + 2ab to 4ab

3. simplify -2 * 2ab to -4ab

4. simplify 3ab * 2 to 6ab

5. simplify 2 * 4ab to 8ab

6. gather like terms

7. simplify.