document.write( "Question 92858: If the sides of a square are decreased by 2 cm, the area is decreased by 36cm^2. What were the dimensions of the original square?\r
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Algebra.Com's Answer #67581 by checkley75(3666)![]() ![]() ![]() You can put this solution on YOUR website! X^2=AREA OF ORIGINAL SQUARE \n" ); document.write( "X^2-36=(X-2)(X-2) \n" ); document.write( "X^2-36=(X-2)(X-2) \n" ); document.write( "X^2-36=X^2-4X=4 \n" ); document.write( "X^2-X^2+4X=4+36 \n" ); document.write( "4X=40 \n" ); document.write( "X=40/4 \n" ); document.write( "X=10 ANSWER FOR THE ORIGINAL SIDE LENGTH. \n" ); document.write( "PROOF \n" ); document.write( "10*10-36=(8*8) \n" ); document.write( "100-36=64 \n" ); document.write( "64=64 \n" ); document.write( " \n" ); document.write( " |