Respuesta :

Answer:

-8a?-8a+a'+3

Step-by-step explanation:

Answer:

Step-by-step explanation:

-8a³ - 7a + a³ - a + 3 = -8a³ + a³  - 7a -a +3    {add the like terms}

                                 = -7a³ - 8a + 3