document.write( "Question 208072: a rectangle is 8 feet longer than it is wide and has an area of 2900 feet squared. What are its dimensions? \n" ); document.write( "
Algebra.Com's Answer #157410 by checkley77(12844)\"\" \"About 
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L=W+8
\n" ); document.write( "LW=2,900
\n" ); document.write( "W(W+8)=2,900
\n" ); document.write( "W^2+8W-2,900=0
\n" ); document.write( "(W-50)(W+58)=0
\n" ); document.write( "W-50=0
\n" ); document.write( "W=50 ANS. FOR THE WIDTH.
\n" ); document.write( "L=50+8
\n" ); document.write( "L=58 ANS. FOR THE LENGTH.
\n" ); document.write( "PROOF:
\n" ); document.write( "50*58=2,900
\n" ); document.write( "2,900=2,900\r
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