Find the Perfect Square Trinomial 4+4a+a^2

$4 + 4 a + a^{2}$

Move $4$ .

$4 a + a^{2} + 4$

Reorder $4 a$ and $a^{2}$ .

$a^{2} + 4 a + 4$

To find the $c$ value $c = {(\frac{b}{2})}^{2}$ , divide the coefficient of $a$ by $2$ and square the result.

Divide $4$ by $2$ .

$2^{2}$

Raise $2$ to the power of $2$ .

$4$

Add $4$ and $4$ .

$4 a + a^{2} + 8$