document.write( "Question 521944: a rectangle plot of ground has an area of 600 square yards. the langth of the plot is 5 yard shorter than three times the width x.
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\n" ); document.write( "5.Write a quadratic equation in standord for that represents the area os the plot.\r
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\n" ); document.write( "\n" ); document.write( "6.The Length Is ________ yards and the width is_______ yards.
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Algebra.Com's Answer #346628 by mananth(16946)\"\" \"About 
You can put this solution on YOUR website!
Area = L*W
\n" ); document.write( "Area = 660 sq. ft
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\n" ); document.write( "Area = 600 sq. yd
\n" ); document.write( "Width = x yd
\n" ); document.write( "Length =(3x-5 )
\n" ); document.write( "Area =x *(3x-5 )
\n" ); document.write( "600 =3x^2-5x
\n" ); document.write( "3x^2-5x -600=0
\n" ); document.write( "Find the roots of the equation by quadratic formula
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\n" ); document.write( "a= 3 ,b= -5 ,c= -600
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\n" ); document.write( "b^2-4ac= 25 + 7200
\n" ); document.write( "b^2-4ac= 7225
\n" ); document.write( "\"x=%28-b%2B-sqrt%28b%5E2-4ac%29%29%2F%282a%29\"
\n" ); document.write( "\"x1=%28-b%2Bsqrt%28b%5E2-4ac%29%29%2F%282a%29\"
\n" ); document.write( "\"x1=%28-12%2B21%29%2F%2812%29\"
\n" ); document.write( "x1=( 5 + 85 )/ 6
\n" ); document.write( "x1= 15
\n" ); document.write( "x2=( 5 -85 ) / 6
\n" ); document.write( "x2= -13.33 Ignore negative value\r
\n" ); document.write( "\n" ); document.write( "width = 15 yd
\n" ); document.write( "length = 40 yd\r
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\n" ); document.write( "Area = 15*40 = 600
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