document.write( "Question 979531: If the length of a square is increased by 10 m and the
\n" ); document.write( " width by 5 m, the area of the new rectangle is three
\n" ); document.write( " times the area of the square . What was the area of
\n" ); document.write( " the square?If the length of a square is increased by 10 m and the
\n" ); document.write( " width by 5 m, the area of the new rectangle is three
\n" ); document.write( " times the area of the square . What was the area of
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Algebra.Com's Answer #600816 by josgarithmetic(39625)\"\" \"About 
You can put this solution on YOUR website!
x, the original length of side of square.\r
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\n" ); document.write( "\n" ); document.write( "Rectangle formed, \"%28x%2B10%29%28x%2B5%29=3x%5E2\", and you want to find x and \"x%5E2\".\r
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\n" ); document.write( "\n" ); document.write( "\"3x%5E2-x%5E2-15x-50=0\"\r
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\n" ); document.write( "\n" ); document.write( "\"2x%5E2-15x-50=0\"----Continue from here.\r
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\n" ); document.write( "\"highlight%28x=10%29\"
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