document.write( "Question 1094591: Factorise:
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Algebra.Com's Answer #709157 by Edwin McCravy(20060)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "The factorization of\r\n" );
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document.write( "\"A%5E3-B%5E3\" is\r\n" );
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document.write( "\"%28A%5E%22%22-B%29%28A%5E2%2BAB%2BB%5E2%29\".\r\n" );
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document.write( "Since \"64=4%2A4%2A4=4%5E3%29\"\r\n" );
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document.write( "\"64x%5E3-%282y-1%29%5E3\"\r\n" );
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document.write( "can be written as\r\n" );
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document.write( "\"%284x%29%5E3-%282y-1%29%5E3\",\r\n" );
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document.write( "we can substitute A=(4x) and B=(2y-1) into\r\n" );
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document.write( "\"%28A%5E%22%22-B%29%28A%5E2%2BAB%2BB%5E2%29\"\r\n" );
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document.write( "\"%28%284x%29%5E%22%22-%282y-1%29%29%28%284x%29%5E2%2B%284x%29%282y-1%29%2B%282y-1%29%5E2%29\"\r\n" );
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document.write( "That simplifies to:\r\n" );
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document.write( "\"%284x%5E%22%22+-+2y+%2B+1%29+%2816x%5E2+%2B+8xy+-+4x+%2B+4y%5E2+-+4y+%2B+1%29\"\r\n" );
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document.write( "Edwin
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