**Which algebraic expression is a polynomial**

Answer:- Polynomials refers to the numerical expressions that entail of variables and constants. Variables are likewise occasionally termed indeterminates. We can perform arithmetic processes such as addition, deduction, multiplication, and also positive number proponents for polynomial expressions but not division by variable. An instance of a polynomial with one variable is x^{2}+x-12. In this instance, there are three terms: x^{2}, x and -12.

Standard Form of a Polynomial

P(x) = a_{n}x^{n} + a_{n-1}x^{n-1} +a_{n-2}x^{n-2 }+ ………………. + a_{1}x + a_{0}

Where a_{n}, a_{n-1}, a_{n-2}, ……………………, a_{1}, a_{0} are termed coefficients of x^{n}, x^{n-1}, x^{n-2}, …., x and constant term correspondingly and it should belong to real number (⋲ R).

Degree of a Polynomial

The degree of a polynomial is definite as the highest proponent of a monomial within a polynomial. Therefore, a polynomial equation having one variable which has the chief exponent is termed a degree of the polynomial.

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