document.write( "Question 250297: A rectangle whose length is 3cm more than its width has an area of 40 square centimeters. Find the length and the width of this rectangle. \n" ); document.write( "
Algebra.Com's Answer #182266 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! L=W+3 \n" ); document.write( "LW=40 \n" ); document.write( "(W+3)W=40 \n" ); document.write( "W^2+3W-40=0 \n" ); document.write( "(W+8)(W-5)=0 \n" ); document.write( "W-5=0 \n" ); document.write( "W=5 CM. FOR THE WIDTH \n" ); document.write( "L=5+3=8 CM FOR THE LENGTH. \n" ); document.write( "PROOF: \n" ); document.write( "5*8=40 \n" ); document.write( "40=40 \n" ); document.write( " |