4 years ago

Subtract: (3m2 + 2n) – (m2 + 2n)

2 answers:

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]4 years ago

8 0

The answer should be2m^2

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