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Sedbober [7]
3 years ago
5

Subtract: (3m2 + 2n) – (m2 + 2n)

Mathematics
2 answers:
maksim [4K]3 years ago
8 0
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 
Lesechka [4]3 years ago
8 0
The answer should be2m^2
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