Question 348623
Use polynomial long division,

<pre>
        a - 12
      __________________________
a + 4 | a^2 - 8a - 16
      - a^2 + 4a
       ---------------
            -12a - 16    
          - -12a - 48 
            --------------
                   32
</pre>
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{{{(a^2-8a-16)/(a+4)=(a-12)+32/(a-4)}}}