Classify the following polynomial as a polynomial in one variable,two variables,etc.
$x^{2}+x+1$
$x^{2}+x+1$
(A) The given expression is $x^{2}+x+1$.
In this expression,the only variable present is $x$.
Since there is only one distinct variable used throughout the expression,it is classified as a polynomial in one variable.
In this expression,the only variable present is $x$.
Since there is only one distinct variable used throughout the expression,it is classified as a polynomial in one variable.
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