SOLUTION: If 48 square inches are subtracted from the area of a square table, the result would be equal to twice the perimeter. What is the length of the side of the table? ______ feet lon

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Question 41224: If 48 square inches are subtracted from the area of a square table, the result would be equal to twice the perimeter. What is the length of the side of the table?
______ feet long
Thank you
Answer by Nate(3500) About Me  (Show Source):
You can put this solution on YOUR website!
The table is a square, so all the sides are of equal length.
side = s
Equation:
s%5E2+-+48+=+2%284s%29
s%5E2+-+48+=+8s
s%5E2+-+8s+-+48+=+0
%28s+-+12%29%28s+%2B+4%29+=+0
s+=+12 or s+=+-4
Length can not be negative, so the side's length is twelve feet long.