The answer is
STEP 1
Let the value be k and compare the resulting equation with the general quadratic equation
[tex]\begin{gathered} \text{General equation =ax}^2+bx+c \\ \text{Given equation = x}^2+2x+k \\ \text{Therefore;} \\ a=1,\text{ b=2, c=k} \end{gathered}[/tex]
