Question

I need to know how to solve this.

Answer 1

10

---------

9 t^2

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