A polynomial with two terms is called a binomial; it could look like 3x + 9. ... When you're asked to square a binomial, it simply means to multiply it by itself. The square of a binomial will be a trinomial. The product of two binomials will be a trinomial.

Is the product of two binomials?

Squaring a binomial such as (x – 5)² is the same as multiplying two binomials, so the result is a trinomial. ... However, with a binomial, the product of the outer terms equals the product of the inner terms, since the terms in the brackets are identical.

Which is a binomial?

1 : a mathematical expression consisting of two terms connected by a plus sign or minus sign. 2 : a biological species name consisting of two terms. Other Words from binomial Example Sentences Learn More About binomial.