Math, asked by shaurya3388, 3 months ago

The sum of --9mn and +3mn is :​

Answers

Answered by utkarshgupta3026r
0

Answer:

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Step-by-step explanation:

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Answered by nimishasrivastava667
0

Step-by-step explanation:

(-9mn) + (+3mn)

-9mn + 3mn

-6mn

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