document.write( "Question 1185378: The area of a square is numerically equal to four times its perimeter.
\n" ); document.write( "Find the length of its side.
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Algebra.Com's Answer #816195 by josgarithmetic(39617)\"\" \"About 
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Side length of the square, x\r
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\n" ); document.write( "\n" ); document.write( "Area, \"x%5E2\"
\n" ); document.write( "Perimeter, \"4x\"\r
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\n" ); document.write( "\n" ); document.write( "The description, \"x%5E2=4%2A4x\"\r
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\n" ); document.write( "\n" ); document.write( "\"x%5E2-16x=0\"\r
\n" ); document.write( "\n" ); document.write( "\"x%28x-16%29=0\"\r
\n" ); document.write( "\n" ); document.write( "x cannot be 0, so must be \"highlight%28x=16%29\".
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