How do you simplify $(c+4)/(c-4)$ ?

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Answer 1 · 2017-08-29T16:48:45

The fraction cannot simplify further.

The fraction cannot simplify further.

You may not cancel the $c$ terms or the $4$ terms, because there are $+ and -$ signs. Only factors may be cancelled.

As an example, consider $c = 11$

The fraction would become:

$(11+4)/(11-4) = 15/7$

This does not simplify.

How do you simplify (c+4)/(c-4)(c+4)/(c-4)?