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document.write( "There are two different ways to tackle this problem:\r\n" );
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document.write( "1. Factoring and using the principle of zero factors.\r\n" );
document.write( "2. Using the principle of square roots.\r\n" );
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document.write( "First way:\r\n" );
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document.write( "Factor the left side as a difference of squares\r\n" );
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document.write( "Since the product of (2x-5) and (2x+5) equals zero,\r\n" );
document.write( "one of them must equal to 0.\r\n" );
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document.write( "
; 
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; 
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document.write( "Divide both sides by 2\r\n" );
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; 
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document.write( "Second way: Using the principle of square roots.\r\n" );
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document.write( "Add 25 to both sides:\r\n" );
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\r\n" );
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document.write( "Divide both sides by 4:\r\n" );
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document.write( "
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document.write( "Use the principle of square roots:\r\n" );
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document.write( "Which is easier?\r\n" );
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document.write( "Edwin
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document.write( "![\"\"](\"/images/stars/stars-13.gif\")
