Question

Which factor do you cancel from the numerator and denominator to simplify x^2 - 4x - 5/x^2 - 25.?
I'm having trouble solving the numerator...

Answer 1

Factor the numerator and then factor the denominator..then you will see for yourself which cancels.

Answer 2

\[\frac{ x^2-4x-5 }{ x^2-25 }\]
I'm having trouble factoring the numerator

Answer 3

(x-5)(x+1)

Answer 4

Denominator is the difference of two perfect squares:
(x-5)(x+5)

Answer 5

so the answer is x-5?

Answer 6

Yes.