Question

What is a polynomial

Answer 1

An expression of more than two algebraic terms is called a polynomial.

Answer 2

A polynomial is a mathematical expression involving a sum of powers in one or more variables multiplied by coefficients. 

For example:-

4x
x+5
2x^2 +3x+5
4x^2 +(1/2)x +6
3xyz + 3xyz^2 - 0.1xy - 200y + 0.45y