Answer :

The expression is NOT a polynomial because the last variable term has a negative power of -3

How to determine why the expression is NOT a polynomial?

The expression is given as:

4/5x^3 - 2 + 8/x^3

As a general rule,

Polynomials are represented as:

ax^n +...........+b

This means that the least power of a polynomial term is 0 and each of the powers are non-negative integers

In 4/5x^3 - 2 + 8/x^3, the last term has a negative power of -3

Hence, the expression is NOT a polynomial because the last variable term has a negative power of -3

Read more about polynomials at:

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