document.write( "Question 350438: The width of a rectangle is 5 meters less than its length. The area is 84 square meters.What is the length of the rectangle?\r
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document.write( "w=x-5
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document.write( "l=x\r
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document.write( "x(x-5)=84
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document.write( "x^2-5x=84
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document.write( "x^2-5x-84=0\r
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document.write( "x=5+√25+336
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document.write( "x=5+19 or x=5-19
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document.write( "x=24/2 or x=-14/2
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document.write( "x=12 or x= -7(NO can't be negative)\r
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document.write( "L=12\r
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Algebra.Com's Answer #250515 by kicker1238(2) ![]() You can put this solution on YOUR website! let width be: x-5 \n" ); document.write( "Let length be: x\r \n" ); document.write( "\n" ); document.write( "x(x-5)=84 \n" ); document.write( "x^2-5x=84 \n" ); document.write( "x^2-5x-84=0\r \n" ); document.write( "\n" ); document.write( "x=5+√25+336 \n" ); document.write( "x=5+19 or x=5-19 \n" ); document.write( "x=24/2 or x=-14/2 \n" ); document.write( "x=12 or x= -7(NO can't be negative)\r \n" ); document.write( "\n" ); document.write( "L=12 \n" ); document.write( " |