Question

What is the simplified the expression completely if possible.

\frac{x^2-x-42}{x^2-49}

x

2

−49

x

2

−x−42

​

Answer 1

Answer:
`(x+6)/(x+7)`

Explanation:

`(x^2-x-42)/(x^2-49)`

Factor each.

`((x-7)(x+6))/((x+7)(x-7)) =(x+6)/(x+7)`