Question

Add: 2a - b + 3ab ; 5ab + 2b - 8c and 7a - 6b - 9ab​

Answer 1

Answer:

9a-5b-ab-8c

please mark as brainlist

Answer 2

Answer:

the answer will be

$9a {}^{2} - 3b {}^{2} - ab {}^{2}$