Question

add 3mn,-5mn,8mn,-4mn​

Answer 1

Answer:

Complete step-by-step answer:

So, we have to add 3mn,-5mn,8mn and -4mn in this question

So, since they are like terms and the terms have the same variable (mn) associated with them, so we can add them up

So, we get

3mn+(-5mn)+(8mn)+(-4mn)

So, on adding this up, we get

11mn-9mn

=2mn

So, the answer for this question is 2mn.

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