TylerGamingHD TylerGamingHD 12-07-2017 Mathematics contestada Add: (–6 – n + 2n2) + (8 – 3n – 10n2) –2 – 4n – 8n^2 2 – 2n – 8n^2 2 – 4n – 8n^2 –2 – 2n – 8n^2
