Question

Add: 8ab,-5ab,3ab,-ab

Answer 1

Answer:

refer the attachment file mate!☺

Answer 2

$\tt \: 8ab - 5ab + 3ab - ab \\ \\ \tt \leadsto \: 3ab + 3ab - b \\ \\ \tt \leadsto \: 6ab - b = 5ab \\ \\ \tt \: hence, \\ \\ \tt \: the \: answer \: is\: {\bold{\boxed{5ab}}}$

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тнαηкѕ :)