Please help I don’t know how to do this at all!

Answer:
16 times the square root of 6
Step-by-step explanation:
2 radical54 simplifies:
2(radical6 x radical9), which is 6 radical6
and 5 radical24 simplifies:
5(radical6 x radical4), which is 10 radical6,
10 radical6 + 6 radical6=
16 radical6