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-2m^{2}-4n^{2}
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-2m^{2}-4n^{2}
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4m^{2}+3n^{2}-6m^{2}-7n^{2}
To find the opposite of 6m^{2}+7n^{2}, find the opposite of each term.
-2m^{2}+3n^{2}-7n^{2}
Combine 4m^{2} and -6m^{2} to get -2m^{2}.
-2m^{2}-4n^{2}
Combine 3n^{2} and -7n^{2} to get -4n^{2}.
4m^{2}+3n^{2}-6m^{2}-7n^{2}
To find the opposite of 6m^{2}+7n^{2}, find the opposite of each term.
-2m^{2}+3n^{2}-7n^{2}
Combine 4m^{2} and -6m^{2} to get -2m^{2}.
-2m^{2}-4n^{2}
Combine 3n^{2} and -7n^{2} to get -4n^{2}.
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