Provide an Appropriate Response $x + 7$ , Which Means That the Area of the Largest Square

Multiple Choice

Provide an appropriate response.
-Consider the following figure, which is a square divided into two squares and two rectangles. The length of each side of the large square is $x + 7$ , which means that the area of the largest square is $( x + 7 ) ^ { 2 }$ . Use the formulas for the area of a square and the area of a rectangle to write the area of the largest square as a trinomial that represents the sum of the areas of the four figures that comprise it.

A) $x ^ { 2 } + 14 x + 49$
B) $x ^ { 2 } - 2 x + 49$
C) $x ^ { 2 } + x + 49$
D) $x ^ { 2 } + 7 x + 49$