Seudónimo
Seudónimo
15-05-2017
Mathematics
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Subtract: (3m2 + 2n) – (m2 + 2n)
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Аноним
Аноним
15-05-2017
the negative in front of the second bracket means that it's times by -1 so each of their signs switches:
3m^2+2n-m^2-2n
Add like terms
2m^2
the 2n cancels out
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brandyy956
brandyy956
15-05-2017
the answer should be2m^2
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