SOLUTION: Each side of a square is increased 7 inches. When this happens, the area is multiplied by 9. How many inches in the side of the original square?

SOLUTION: Each side of a square is increased 7 inches. When this happens, the area is multiplied by 9. How many inches in the side of the original square?

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Question 1150060: Each side of a square is increased 7 inches. When this happens, the area is multiplied by 9. How many inches in the side of the original square?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Each side of a square is increased 7 inches. When this happens, the area is multiplied by 9. How many inches in the side of the original square?
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x = original side length
(x+7)^2 = 9x^2

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