SOLUTION: a square green rug has a blue square in the center. the side length of the blue square is x inches. the width of the green band that surrounds the blue square is 6 inches. what is

Question 1026539: a square green rug has a blue square in the center. the side length of the blue square is x inches. the width of the green band that surrounds the blue square is 6 inches. what is the area of the green band?
(x+12)(x+12)-x^2
x^2 + 2(12)(x)+12^2-x^
=24x+144
When I check my answer in the back of my Algebra book, my answer is wrong. Could some one please explain to me what am I doing wrong? Thank you!
Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!
Your steps and answer is correct, and the book answer is wrong.
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