Respuesta :

1. Im pretty sure it’s -15+7d+4f

You combine the like terms
-3 + 4d - 2f + 3d + 6f - 4 - 8
4d + 3d + 6f - 2f - 3 - 4 - 8
= 7d + 4f - 15
RELAXING NOICE
Relax