SOLUTION: Each side of a square is 4 m long. When each side is increased by x meters, the area is doubled. Find the value of x

SOLUTION: Each side of a square is 4 m long. When each side is increased by x meters, the area is doubled. Find the value of x

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Question 255715: Each side of a square is 4 m long. When each side is increased by x meters, the area is doubled. Find the value of x
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
4^2=16m^2 area
(4+x)^2=32 we don't have to complete the square. It is complete already.
4+x=+-sqrt(32)
x=-4+4(sqrt(2))=1.657...m
.
Ed
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