Respuesta :

Answer:

1.) 6a - 6b

2.) 2t - 4t

3.) 8x + 56

4.) 657 + 438x

Step-by-step explanation:

1.) 6*a - 6*b

2.) t*t (2t because you're multiplying t by itself) - t*4

3.) 8*x + 8*7

4.) 73*9 - 73*6

* = times

Ex. 8 times 3 or 8*3