Write an Algebraic Expression That Represents the Total Area of the Four

Multiple Choice

Write an algebraic expression that represents the total area of the four smaller rectangles.
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A) $x^{2}+15 x+56$
B) $x^{2}+16 x+64$
C) $x^{2}+14 x+49$
D) $x^{2}-15 x+56$