document.write( "Question 643823: i have to write an expression in simplest form for the perimeter of a rectangle. the length is 2w and the width is w. i ended up with an answer of 2w(squared)+ 4, but on this website it says that i'm wrong. help? \n" ); document.write( "
Algebra.Com's Answer #404633 by Earlsdon(6294)\"\" \"About 
You can put this solution on YOUR website!
Start with the formula for the perimeter of a rectangle:
\n" ); document.write( "P = 2(L+W) Now substitute L = 2W.
\n" ); document.write( "p = 2(2W+W) Simplify.
\n" ); document.write( "p = 2(3W) Finally:
\n" ); document.write( "p = 6W
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