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document.write( "Very easy! The answer is obviously 75. Here's why:\r\n" );
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document.write( "(a) 6x5=30, substitute in the quadratic expression:\r\n" );
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document.write( "
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\r\n" );
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\r\n" );
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\r\n" );
document.write( "then divide by -210, get 41\r\n" );
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document.write( "(b) 7+2=9, substitute in the quadratic expression:\r\n" );
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document.write( "
\r\n" );
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\r\n" );
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\r\n" );
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\r\n" );
document.write( "
\r\n" );
document.write( "then divide by -210, get 51\r\n" );
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document.write( "(c) 2+2=4, substitute in the quadratic expression:\r\n" );
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document.write( "
\r\n" );
document.write( "
\r\n" );
document.write( "
\r\n" );
document.write( "
\r\n" );
document.write( "
\r\n" );
document.write( "then divide by -210, get 2\r\n" );
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document.write( "(d) 5x5=25, substitute in the quadratic expression:\r\n" );
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document.write( "
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\r\n" );
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\r\n" );
document.write( "
\r\n" );
document.write( "then divide by -210, get 75\r\n" );
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document.write( "Simple, huh? Perfectly logical! J \r\n" );
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document.write( "Edwin
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