document.write( "Question 428724: The length of a rectangle is 5 m greater than the width. The area is 300 sq m. Find the dimensions. \n" ); document.write( "
Algebra.Com's Answer #297961 by checkley79(3341)\"\" \"About 
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L=W+5
\n" ); document.write( "A=LW
\n" ); document.write( "300=(W+5)W
\n" ); document.write( "300=W^2+5W
\n" ); document.write( "W^2+5W-300=0
\n" ); document.write( "(W-15)(W+20)=0
\n" ); document.write( "W-15=0
\n" ); document.write( "W=15 AND.
\n" ); document.write( "L=15+5
\n" ); document.write( "L=20 ANS.
\n" ); document.write( "PROOF:
\n" ); document.write( "300=15*20
\n" ); document.write( "300=300
\n" ); document.write( "
\n" );