document.write( "Question 276258: a certain rectangle is 3cm longer than it is wide. The area is 550. Find the dimensions
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Algebra.Com's Answer #201359 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! W=L+3 \n" ); document.write( "LW=550 \n" ); document.write( "L(L+3)=550 \n" ); document.write( "L^2+3L=550 \n" ); document.write( "L^2+3L-550=0 \n" ); document.write( "(L+25)(L-22)=0 \n" ); document.write( "LL-22=0 \n" ); document.write( "L=22 ANS. FOR THE LENGTH. \n" ); document.write( "W=22+3=25 ANS. FOR THE WIDTH. \n" ); document.write( "PROOF: \n" ); document.write( "22*25=550 \n" ); document.write( "550=550 \n" ); document.write( " |