Algebra.Com's Answer #504848 by Edwin McCravy(20059) $\"\"$ $\"About$

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document.write( "It does not change the value of a determinant to\r\n" );
document.write( "multiply a row by a constant and add it\r\n" );
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document.write( "Multiply the 2nd row by -x and add it to the 3rd row:\r\n" );
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document.write( "Multiply the 1st row by -x and add it to the 2nd row:\r\n" );
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document.write( "Multiply the 2nd row by -y and add it to the 3rd row:\r\n" );
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document.write( "The bottom row has all 0's, so the value of the \r\n" );
document.write( "determinant is 0.\r\n" );
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document.write( "Edwin

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