Question

1. Add :
(1) 2ab, -7ab, ab, Sab​

Answer 1

Answer:

✅Here's your answer

$2ab - 7ab + ab + 5ab \\ \\ = - 5a</strong><strong>b</strong><strong>+ 6ab \\ \\ = ab$

Hope it helps ✌

Answer 2

Answer:

It's 5 or sab

if it's five theb answer is 0