Simplify the rational expression: x−5 x 2 −x−20

A.

x−4

B.

x+4

C.

x 2 −15

D.

1 x+4

Question

Simplify the rational expression: x−5 x 2 −x−20 



A.

 x−4 





B.

 x+4 





C.

 x 2 −15 





D.

 1 x+4

anonymous · Answer

@jim_thompson5910  please help?

tkhunny · Answer

That's not a Rational Expression subject to the sort of simplification you seem to be attempting.  Do you mean $$\dfrac{x-5}{x^{2} - x - 20}$$?

Factor the denominator and see if you notice anything convenient.

anonymous · Answer

no. what I put is exactally what the problem is.

tkhunny · Answer

If you did, it is printed quite badly.  I can't really tell you how to save that!

anonymous · Answer

well, this is exactally how the problem looks