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12m^{3}+10n^{2}
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12m^{3}+10n^{2}
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6n^{2}+12m^{3}+4n^{2}
Use the distributive property to multiply 2 by 6m^{3}+2n^{2}.
10n^{2}+12m^{3}
Combine 6n^{2} and 4n^{2} to get 10n^{2}.
6n^{2}+12m^{3}+4n^{2}
Use the distributive property to multiply 2 by 6m^{3}+2n^{2}.
10n^{2}+12m^{3}
Combine 6n^{2} and 4n^{2} to get 10n^{2}.
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