Math, asked by guptajyoti3898, 4 hours ago

m² -2mn -n² when m=-2; n=-1

Answers

Answered by pdhulipalla5

3

Answer:

m²-2mn-n²

m=2,n=1

(2)²-2(2)(1)-(1)²

4-4-1

4-5

-1

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