Add : 8m2 - 5mn + 3n2 and 3m2-2mn. - 612
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Answer:
8m2-5mn+3n20and 3m2-2mn-612
=(8m2-5mn+3n2) + (3m2-2mn-612)
=8m2+3m2-5mn-2mn+3n2-612
=11m2-7mn+3n2-612
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