Question

1. 2ab-3ba+7ab
2.12ab-3ba+7ab

Answer 1

1. 2ab - 3ab + 7ab

9ab - 3ab

6ab

2. 12ab - 3ab +7ab

19ab - 3ab

16ab

Answer 2

$\huge\mathtt{\fbox{\red{Answer}}}$

2ab - 3ab + 7ab

9ab - 3ab

6ab

2. 12ab - 3ab +7ab

19ab - 3ab

16ab