x^29x. Binomial Theorem Formula: A binomial expansion calculator automatically follows this systematic formula so it eliminates the need to enter and remember it. Multiplication of a binomial and a trinomial by vertical method:Write the expressions one below the other such that the expression to be multiplied comes in the second row and the like terms come one below the other.Multiply each term of the binomial with every term of the trinomial expression.Write the result below the concerned column.The result is the sum of the products obtained below each column. Solve any question of Polynomials with: Which expression is a quadratic binomial? area. Since the polynomials can be evaluated in any real number. In this example, you can see one 2 and two x s in every term. This polynomial expression is a quadratic binomial, with a coefficient of 3 on the quadratic term, a linear term with coefficient 2, and no constant. 3 x 4 ?2x x 2 ?9x 2 x 4 +9 x 2 ?6x?1 7x PLEASE HELP!! How do you know if a Jpg mc005-3. quadratic binomial quadratic trinomial cubic trinomial quartic binomial. Answer (1 of 3): A quadratic function is an polynomial function of degree 2. area under curves. A binomial is a sum of two terms.