document.write( "Question 946254: I don't understand how (n-2)/(n^3-8) becomes 1/(n^2+2n+4).\r
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Algebra.Com's Answer #577286 by MathTherapy(10552) $\"\"$ $\"About$

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I don't understand how (n-2)/(n^3-8) becomes 1/(n^2+2n+4).\r
\n" ); document.write( "\n" ); document.write( "I get how you take out the common factor of (n-2), but why does the denominator become n^2+2n+4 instead of n^2+4?
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document.write( " ----- Factoring denominator
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document.write( " ---- Cancelling n - 2 in numerator and denominator
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