Question

sumas de polinomios (-7m³+4m²-7m)+(-8m³+m²-5m)​

Answer 1

$( - 7 {m}^{3} + 4m {}^{2} - 7m) + ( - 8 {m}^{3} + {m}^{2} - 5m) \\ - 7 {m}^{3} - 8 {m}^{3} + 4 {m}^{2} + {m}^{2} - 7m - 5m \\ - {15m}^{3} + {5m}^{2} - 12m$