Math, asked by lizatamang89, 1 month ago

Subtract: -m²+n²from9m²-2mn+n².

Answers

Answered by kumarchhotu42

0

Answer:

9m^2-2mn+n^2)-(-m^2+n^2)

=9m^2-2mn+n^2+m^2-n^2

=10m^2-2mn

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