Edwin's solution:\r
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document.write( "Find the value for k that will make 4x^2+6.4x +k a perfect square.
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document.write( "If it is to factor as a perfect square its \r\n" );
document.write( "factorizaton must be:\r\n" );
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document.write( "So \r\n" );
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document.write( "Since the first and last terms on each sides are equal, the\r\n" );
document.write( "middle terms must also be equal. So we set them equal:\r\n" );
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document.write( "Divide both sides by x:\r\n" );
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document.write( "Divide both sides by 4:\r\n" );
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document.write( "Square both sides:\r\n" );
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document.write( "Edwin
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