Answer:
x is equal to 6
Step-by-step explanation:
4x=24
divide both sides by 4
4 eliminates 4 leaving x behind
4 divides 24 making x =6
Recall the binomial theorem.

1. The binomial expansion of
is

Observe that


When we multiply these by
,
•
and
combine to make 
•
and
combine to make 
and the sum of these terms is

2. The binomial expansion is

We get the
term when
:

I think it would be 9, but the graph seems a bit unclear so I’m really sorry if that doesn’t help..
R is greater then or equal to18