Factor the polynomial. Please show all work.

Question

x^2+2x-3

Answer 1

+3-1 = +2
so
(x+3)(x-1)

Answer 2

thanks so much - but I have no idea what you did. why is it +3-1=2. How did you get to this? Is there a rule?

Answer 3

I was looking for what with 3 would make 2 and it is one.