Question

How do you simplify `2times(5!)/(2!3!)`?

Answer 1

Expand and cancel out:

`=2 xx (5 xx 4 xx 3 xx 2 xx 1)/((2 xx 1)(3 xx 2 xx 1))`

`=2 xx (5 xx 4)/(2 xx 1)`

`= 5 xx 4`

`= 20`

Hopefully this helps!