Question 80807
find the x intercepts
y=x^2+2x-3
Let y=0:
x^2+2x-3=0
(x+3)(x-1)=0
x=-3 or x=1
Cheers,
Stan H.
Hint: You did not factor correctly.  You can check your factoring
by using FOIL to see if you get the original polynomial when you
do the multiplication.