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Simplify (4m^2n-4mn+5)-(7m^2-3mn-2)+(9m^2n-2mn-1)
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Simplify (4m^2n-4mn+5)-(7m^2-3mn-2)+(9m^2n-2mn-1)

User Markus Zeller
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1 Answer

4 votes
6m^2-3mn+6 is the answer.
User Ming C
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