document.write( "Question 230642: the length of a rectangle is 5m more than twice the width. The area is 42m(squared). Find length and width \n" ); document.write( "
Algebra.Com's Answer #170896 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! L=2W+5 \n" ); document.write( "LW=42 \n" ); document.write( "(2W+5)W=42 \n" ); document.write( "2W^2+5W-42=0 \n" ); document.write( "(2W-7)(W+6)=0 \n" ); document.write( "2W-7=0 \n" ); document.write( "2W=7 \n" ); document.write( "W=3.5 ANS. \n" ); document.write( "L=2*3.5+5=7+5=12 ANS. \n" ); document.write( "PROOF: \n" ); document.write( "3.5*12=42 \n" ); document.write( "42=42 \n" ); document.write( " \n" ); document.write( " |