document.write( "Question 945074: Write a polynomial that represents the difference between the perimeter of a square and the circumference of a circle that have the same side length and diameter, represented by x. What is the difference when x is 9 inches? Use 3.14 for π. \n" ); document.write( "
Algebra.Com's Answer #576270 by josgarithmetic(39838)\"\" \"About 
You can put this solution on YOUR website!
x, both for the side length of square and diameter of circle.\r
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\n" ); document.write( "\n" ); document.write( "\"4x-2pi%2Ar\", using r for radius, and know that \"2r=x\", so \"r=x%2F2\".
\n" ); document.write( "\"4x-2pi%28x%2F2%29\"
\n" ); document.write( "\"4x-2%28x%2F2%29pi\"
\n" ); document.write( "\"highlight%284x-pi%2Ax%29\"
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