2X is an example.
no it is a binomial. it has 2 terms: 2x and 3
If you mean 2 times 2, then no, but 2 and 2x are monomials.
monomial is expression having one variable only eg : 2x,2y+3,4t-5+8 etc
No, it is a binomial since it has two terms.
3
2x is just 2x and it is not a polynomial. This is a monomial because it just has one term. a polynomial is four or more terms.
When they are added together, the sum is a monomial.
(x + 2) is a binomial. (x2 + 2x + 1) is a trinomial
3(2x + 1)
Monomial. Monomial. Monomial. Monomial.
It is a polynomial (monomial). It is a polynomial (monomial). It is a polynomial (monomial). It is a polynomial (monomial).