Respuesta :

Answer:

10

---------

9 t^2

Step-by-step explanation:

10t             20t-40

----------- * ------------

6t-12         30 t^3

Factor

10t             20(t-2)

----------- * ------------

6(t-2)         30 t^3

We can cancel 10t

1            20(t-2)

----------- * ------------

6(t-2)         3 t^2

We can cancel t-2

1            20

----------- * ------------

6               3 t^2

We can cancel a 2 from the 20 and from the 6

1               10

----------- * ------------

3               3 t^2

     10

-----------

9 t^2