document.write( "Question 205980: The width of a rectangle is 2 ft less than the length. The area is 8ft^2. Find the length and the width. \n" ); document.write( "
Algebra.Com's Answer #155564 by RAY100(1637)![]() ![]() ![]() You can put this solution on YOUR website! Area = Length * Width \n" ); document.write( ". \n" ); document.write( "but W=L-2 \n" ); document.write( ". \n" ); document.write( "A=LW = L(L-2) = L^2 -2L = 8,,,,,given \n" ); document.write( ". \n" ); document.write( "L^2 -2L -8 =0,,,,,,,,,factor \n" ); document.write( ". \n" ); document.write( "(L-4)(L+2)=0 \n" ); document.write( ". \n" ); document.write( "L= 4,,-2 ( not realistic) \n" ); document.write( ". \n" ); document.write( "W= L-2 = 4-2 = 2 \n" ); document.write( ". \n" ); document.write( "check,,,,A=LW=4*2=8,,,,,ok \n" ); document.write( " \n" ); document.write( " |