Algebraic expressions are combinations of variables , numbers, and at least one arithmetic operation. For example, 2x+4y−9 is an algebraic expression. ... A term can be a signed number, a variable, or a constant multiplied by a variable or variables. Factor: Something which is multiplied by something else.Polynomial: An algebraic expression which consists of one, two or more terms is called a polynomial. Examples of polynomials: 2a + 5b is a polynomial of two terms in two variables a and b.
