Frequent Questions about our Solver

The problem

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hello, where does the (x+4) come from in the nominator. Thanks

Answer provided by our tutors

Regrets for the delayed reply.  It is typically clearer to review an answer using the 'Options' tab and select 'a few steps', then increase the number of solution steps when the greater detail is helpful.  For your expression, selecting 'a lot of steps' was actually helpful to clarify how 'x+4' appears. 

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