Answer
Explanation given below
Work Step by Step
A polynomial is an expression containg one term, or the sum of several terms which have the form
term =(real number)$\times$(power of a variable)$\times$(power of a variable)$\times$...$\times$(power of a variable)
The terms can contain one or more variables.
Examples:
$-x^{3},$
$2xy^{2},$
$x^{3}-2x^{2}+1,$
$x^{2}y+3y^{2}-x +12$
