Respuesta :

2.4n + 9.6
-6z + 12

2.4 is a factor of 9.6
2.4 × 4 = 9.6
2.4(n + 4) = 2.4n + 9.6

6 is a factor of 12
6 × 2 = 12
it can either be:
6(-z + 2) = -6z + 12
or
-6(z - 2) = -6z + 12