Question: which algebraic expression is a polynomial with a degree of 4?
Answer: "2x+x^4 is a algebraic expression is a polynomial with a degree of 4. Explnation: An algebraic expression or a polynomial, consisting of only three terms, is called a trinomial. Thus x + y + 1, x2 + 3x + 2, x2 + 2xy + y2 are all trinomials.