document.write( "Question 43833: 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. \n" ); document.write( "

Algebra.Com's Answer #28970 by Nate(3500) $\"\"$ $\"About$

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$\"%28AreaOfCardboard%29+-+%28AreaOfCutOutSquare%29+=+TotalArea\"$
\n" ); document.write( " $\"%28x%5E2%29+-+%28%28x+-+3%29%5E2%29+=+TotalArea\"$
\n" ); document.write( " $\"x%5E2+-+%28x%5E2+-+6x+%2B+9%29+=+TotalArea\"$
\n" ); document.write( " $\"x%5E2+-+x%5E2+%2B+6x+-+9+=+TotalArea\"$
\n" ); document.write( " $\"6x+-+9+=+TotalArea\"$ \n" ); document.write( "

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