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document.write( " n^2 - 8n + 12
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document.write( " __________________ , Remember that n^3 - 12n^2 + 36n≠0
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document.write( " n^3 - 12n^2 + 36n\r
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document.write( " Factor both numerator and denominator\r
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document.write( " (n - 6)(n - 2)
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document.write( " _______________ , n ≠ 6, so 6 is the excluded value
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document.write( " (n - 6)(n - 6)\r
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document.write( " Divide the common factor/s
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document.write( " 
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document.write( " ______________
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document.write( "
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document.write( "
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document.write( "
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document.write( " (n - 2)
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document.write( " _______ -------->> answer
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document.write( " (n - 6)
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document.write( "