document.write( "Question 71297: Please help\r
\n" ); document.write( "\n" ); document.write( "From a square piece of cardboard with width x inches, a square of width x-3 inches is removed from the center. Write the area of the remaining piece as a function of x.\r
\n" ); document.write( "\n" ); document.write( "Please provide how this problem was answered so I can learn to do this.\r
\n" ); document.write( "\n" ); document.write( "Thank you
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Algebra.Com's Answer #51004 by checkley75(3666)\"\" \"About 
You can put this solution on YOUR website!
x^2-(x-3)^2
\n" ); document.write( "x^2-(x^2-6x+9)
\n" ); document.write( "x^2-x^2+6x-9
\n" ); document.write( "6x-9
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