document.write( "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 \n" ); document.write( "
Algebra.Com's Answer #187969 by edjones(8007)\"\" \"About 
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4^2=16m^2 area
\n" ); document.write( "(4+x)^2=32 we don't have to complete the square. It is complete already.
\n" ); document.write( "4+x=+-sqrt(32)
\n" ); document.write( "x=-4+4(sqrt(2))=1.657...m
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