Question

Find the value of the polynomial $x^2+2x+5$ when $x=0$.

Answer 1

Substitute $x=0$ in the given polynomial.

The given polynomial is $x^2+2x+5$.

$$\begin{gathered} ={\left(0\right)}^2+2\left(0\right)+5 \\ =0+0+5 \\ =5 \end{gathered}$$

Hence, the value of the polynomial is $5$.