document.write( "Question 717655: The length of a rectangle is 8 centimeters less than three times its width. Its area is 35 square centimeters.What is the dimension of the rectangle? \n" ); document.write( "
Algebra.Com's Answer #440418 by checkley79(3341)![]() ![]() ![]() You can put this solution on YOUR website! AREA=LW \n" ); document.write( "L=3W-8 \n" ); document.write( "35=(3W-8)W \n" ); document.write( "35=3W^2-8W \n" ); document.write( "3W^2-8W-35=0 \n" ); document.write( "(3W+7)(W-5)=0 \n" ); document.write( "W-5=0 \n" ); document.write( "W=5 ANS FOR THE WIDTH. \n" ); document.write( "L=3*5-8 \n" ); document.write( "L=15-8=7 ANS. FOR THE LENGTH. \n" ); document.write( "PROOF: \n" ); document.write( "35=7*5 \n" ); document.write( "35=35 \n" ); document.write( " |