RATL 3 | Lesson 1 | Solution (Writing a Rational Expression)

 

One possible solution:

\(\Large\frac{x+2}{(x-7)(x+1)}\)

In order to write this expression, the denominator had to be zero if x was 7 or -1.  Substituting 3 for x into the denominator simplifies to -16. The numerator must solve for 5 when \(x = 3\).

 

 


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