x^2 + x - 6 > 0
(x-2)(x+3) >0 now you can see where BOTH factorsare negative it will be > 0 or if they are both negative it will be >0
x-2 is negative for x < 2 and positive for x >2
x+3 is negative for x <3 and positive for x > -3
x< -3 x>2
-3>x>2
Here is graph :
https://www.desmos.com/calculator/sbybddoj1z