Question

1. Add : 3ab +2bc -5ac, 2ab -bc +7ac

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Answer 1

Answer:

5ab+bc+2ac is the correct answer

Step-by-step explanation:

(3ab +2bc - 5ac) + (2ab -bc +7ac)

= 5ab+bc+2ac

Answer 2

Step-by-step explanation:

$(3ab \: + \: 2bc \: - 5 ac) \: + \: (2ab \: - bc \: + \: 7ac) \\ = > 3ab \: + 2 \:ab \: + 2bc - bc \: - 5ac + 7ac \\ = > 5ab \: + bc \: + 2ac$