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Kenya Best
Mathematics
23 April, 18:04
Subtract: (3m2 + 2n) - (m2 + 2n)
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Ingrid Jones
23 April, 18:18
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
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Antony Mcbride
23 April, 18:24
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The answer should be2m^2
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