document.write( "Question 64022This question is from textbook Algebra Structure and Method Book1
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document.write( ": A rectangle is 10m longer than it is wide.If its length and width are both decreased by 2 m,its area is decreased by 48 m squared.Find its original dimensions. \n" );
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Algebra.Com's Answer #44806 by checkley71(8403) ![]() You can put this solution on YOUR website! L*W=AREA \n" ); document.write( "(W+10)W=(W-10-2)(W-2)+48 \n" ); document.write( "W^2+10W=(W-12)(W-2)+48 \n" ); document.write( "W^2+10W=W^2-12W-2W+24+48 \n" ); document.write( "10W+14W=72 \n" ); document.write( "24W=72 \n" ); document.write( "W=72/24 \n" ); document.write( "W=3 SOLUTION \n" ); document.write( "L=3+10=13 SOLUTION \n" ); document.write( "PROOF \n" ); document.write( "13*3=(3-12)(3-2)+48 \n" ); document.write( "39=-9*1+48 \n" ); document.write( "39=-9+48 \n" ); document.write( "39=39 \n" ); document.write( " \n" ); document.write( " |