The sum of two a lg ebraic expressions is 2m2 + 3m. If one of them is m2 + n² + mn, what will be the other
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Answer:
m² - n² + 3m - mn
Step-by-step explanation:
the other expression = (2m² + 3m) - (m² + n² +mn )
= 2m² + 3m - m² - n² - mn
= m² - n² + 3m - mn
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