Question

Simplify 2x+10 over x^2+4x-5
A. x+5/x-1
B.2/x-1
C. 2(x+5)/x-1
D.2/x

Answer 1

So you are given (2x+10) / (x^2+4x-5)

You can factor the top term into 2(x+5)
and the bottom into (x-1)(x+5)

As you can probably see the (x+5)'s can cancel out leaving you with
B) 2/(x-1)