document.write( "Question 762399: a tennis court 3x-1 meters long and 7x-1 meters wide what is the area of the tennis court
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Algebra.Com's Answer #463913 by Cromlix(4381)\"\" \"About 
You can put this solution on YOUR website!
3x - 1 metres long
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\n" ); document.write( "Area = Length * Width
\n" ); document.write( "Area = (3x - 1)(7x - 1)
\n" ); document.write( "Area = 21x^2 -10x + 1
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