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)\"\" \"About 
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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( "
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