Respuesta :

Answer:

(3x+6)^2

Step-by-step explanation:

the side of the inner square is 3x long

to have the wider square side we must add 3 two times, so 3x + 3 + 3 = 3x+6

to find the area we must square it (3x+6)^2

Answer:

(3x+6)^2

Hope you finished the packet and got a good grade on it!!
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