Question

How do you factor `x^2 + 4x – 5`?

Answer 1

`(x-1) (x+5)=0`
`x=1 , x=-5`

Explanation:

Refer to the link here

http://socratic.org/questions/how-do-you-factor-8z-4z-10z-5

I already explain it there, if u dont understand, feel free to ask me :)