document.write( "Question 1033104: The length of a rectangle is 4 centimeters less than its width. What are the dimensions of the rectangle if its area is 192 square centimeters. \n" ); document.write( "
Algebra.Com's Answer #647690 by Cromlix(4381)![]() ![]() You can put this solution on YOUR website! Hi there, \n" ); document.write( "Make width = x \n" ); document.write( "Length = 4 - x \n" ); document.write( "Area = length x width \n" ); document.write( "192 = (x - 4)x \n" ); document.write( "192 = x^2 - 4x \n" ); document.write( "x^2 - 4x - 192 = 0 \n" ); document.write( "(x + 12)(x - 16) = 0 \n" ); document.write( "x = 12 = 0 \n" ); document.write( "x = -12 (Disregard as -ve) \n" ); document.write( "x - 16 = 0 \n" ); document.write( "x = 16 \n" ); document.write( "width = 16 centimeters \n" ); document.write( "Length = 12 centimeters \n" ); document.write( "Hope this helps :-) \n" ); document.write( " |