## Algebra 2 Common Core

$x^{2} + 12x + 36$.
In the equation $x^{2}$ + $bx$ + $c$, we need to find $c$. To do so we must divide $b$ by $2$. With $b=12$, then $\dfrac{b}{2} = \dfrac{12}{2} = 6$ After $b$ is divided by $2$, square the result to obtain: $\left(\frac{b}{2}\right)^2=6^2=36$ Therefore, the missing term is $36$.