document.write( "Question 1055821: The width of an 18-sq rectangle is 5cm shorter than twice the length please symbolize and solve the rectangles dimensions \n" ); document.write( "

Algebra.Com's Answer #671013 by ikleyn(52781) $\"\"$ $\"About$

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\n" ); document.write( "The width of an 18-sq rectangle is 5 cm shorter than twice the length please symbolize and solve the rectangles dimensions
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document.write( "W*L = 18.\r\n" );
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document.write( "W = 2L - 5.\r\n" );
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document.write( "====> (2L-5)*L = 18.\r\n" );
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document.write( "2L^2 - 5L - 18 = 0.\r\n" );
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document.write( " =  = .\r\n" );
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document.write( "The only positive root is L = 4.5.\r\n" );
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document.write( "Answer. The dimensions of the rectangle are 4.5 cm and  2*4.5-5 = 4 cm.\r\n" );
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