document.write( "Question 495259: 12a²-4a-16. I got this far 4(3a²-a-4) and I know that the answer is 4(3a-4)(a+1) but not sure how to get to that conclusion.\r
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Algebra.Com's Answer #336041 by Edwin McCravy(20060)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "[To get ² hold down Alt while typing 253 on the keypad at the far right\r\n" );
document.write( "of your keyboard with NumLock turned on.  To get ³ do the same but\r\n" );
document.write( "type 0179 on the keypad.  Don't use the number keys above the letter keys.\r\n" );
document.write( "They won't work.]\r\n" );
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document.write( "4(3a²-a-4)\r\n" );
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document.write( "You need to learn how to factor \r\n" );
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document.write( "3a²-1a-4.\r\n" );
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document.write( "Here is a tutorial I wrote on how to do that. Go here\r\n" );
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document.write( "http://www.algebra.com/my/change_this_name32371.lesson?content_action=show_dev\r\n" );
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document.write( "Edwin
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