SOLUTION: If the sides of a square are lengthened by 3 inches, the area becomes 81 inches squared. Find the length of a side of the original square.

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Question 772178: If the sides of a square are lengthened by 3 inches, the area becomes 81 inches squared. Find the length of a side of the original square.
Answer by oscargut(2103) About Me  (Show Source):
You can put this solution on YOUR website!
Let x = length of the original square
(x+3)^2 = 81
x+3 = 9
x = 6
Answer: x = 6
I can help you with more questions at: mthman@gmail.com
Thanks