Question

what should be subtracted from - 7 mn + 2 m square + 3 n Square to get m square + 2 mn + n Square
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Answer 1

Answer:

7mn+2m²+3n²-(m²+2mn+n²)

=7mn+2m²+3n²-m²-2mn-n²

=7mn-2mn+2m²-m²+3n²-n²

=5mn+m²+2n²

5mb+m²+2n² is to be subtracted