SOLUTION: How can I do the factoring of the following: N to the forth power minus 4N to the 3rd power plus n minus 4

Question 207959: How can I do the factoring of the following: N to the forth power minus 4N to the 3rd power plus n minus 4
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the given expression

Group like terms

Factor out the GCF out of the first group. Factor out the GCF out of the second group

Since we have the common term , we can combine like terms

Now factor to get (hint: use the sum of cubes formula)

Rearrange the terms.

So completely factors to

In other words,
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