lilproflyer lilproflyer 20-02-2018 Mathematics contestada HELP ME PLEASE 1) (8c^2 + 10) - (14 + 4c^2) 2) (15m^4 - 3m) - (9m-5m^4) 3) (-9a^2 + 8a + 4a^3) + (-10 - 10a^3 - 10a^2) 4) (-10a^2 - 2b) + (-3ab - 4a^2 + 5b^2) (-b^2 + 3ab) 5) (a^3 - 2a^2) - (3a^2 - 4a^3