Identify the expression as a polynomial or not a polynomial. For a polynomial, give the degree and identify it as a monomial, binomial, trinomial, or none of these.
\[
3 x+5 x^{2}
\]

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Answer

The given expression \(3x + 5x^2\) is a polynomial. It is of degree 2 and it is a binomial.

Steps

Step 1 ：The given expression \(3x + 5x^2\) is a polynomial. It is of degree 2 and it is a binomial.