Math, asked by senti41, 1 year ago

add: 3mn -m²+n²,m²-4mn and -6mn-9

Answers

Answered by shreyash5141

0

n²-7mn-9 is the right answer

Answered by Anonymous

3

Hello user

Adding 3mn -m²+n²,m²-4mn and -6mn-9, we get

3mn -m²+n²+ m²-4mn + -6mn-9

-7mn +n^2 -9

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