Dead deceased no words hahahahhahha and the first answer has me dead :’))))
Or mine means that itself and 1 can only go into it. Conposit means that multiple numbers can go into it like 24. 12,6,8,2 can all go into it

can be simplified to by adding the 7 and 10 to get

.

cannot be simplified any more by combining like terms.
By distributing the 2b into the parentheses, you can simplify the expression:

Here you can just add:

Thus, the only expression that cannot simplify any more using adding like terms is the second,

.