Answer
$x^2+4x+4$ = $(x+2)(x+2)$ = $(x+2)^2$
See Fig. 6 for the solution.
Work Step by Step
The factored form of $x^2+4x+4$ is found by reading the
length $(x+2)$ and the width $(x+2)$ of the square as shown in Fig. 6.
$x^2+4x+4$ = $(x+2)(x+2)$ = $(x+2)^2$
