Question

add 2ab + 5a-7 please tell me ​

Answer 1

Answer:

the answer will be only 2ab+5a-7 as there is no common variable

Answer 2

Answer:

2ab+5a-7 is the answer.

As, all the variables are different we cannot add them. So, we have to write all this together as it is. This will give you the answer.

Step-by-step explanation:

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