Is rolling doubles a simple event or a compound event?

the answer is a. 72. but i cant answer with less than 20 characters so here's some random text talking about it.

the answer to this is:

factor 2x2+16x+24

2x2+16x+24

=2(x+2)(x+6)

answer:

2(x+2)(x+6)

hope this hmu if needed