Respuesta :

ibsdaone2

Answer:

Outer:        3x                  -7

3                 9x                  21

Factored: 3(3x - 7)

Step-by-step explanation:

I found that 3 goes into (9x - 21). So that is why the answer is 3(3x - 7)

Hope you got this right...

Answer:

    x     21/9

9    9x     21

Step-by-step explanation: