There are times when it is necessary to simplify factorial expressions. You will explore one way to simplify in Try This 5.

Try This 5

Find the value of

1. Expand the numerator to show all the factors in 12!.
2. Expand the denominator to show all the factors in 9!.
3. Divide the numerator and denominator by any common factors.
4. Calculate the solution by multiplying the remaining factors.

Save your responses in your course folder.