be2annnitravongurl
be2annnitravongurl
01-12-2016
Mathematics
contestada
Add.
(5n^2+4n)+(3n^2+6n)
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apologiabiology
apologiabiology
01-12-2016
5n^2+4n+3n^2+6n=
5n^2+3n^2+4n+6n=
8n^2+10n
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