For what values of $x$ is $x^2-2x>35$? Express your answer in interval notation.
RE-arranging just a bit results in this:
x^2 - 2x -35 > 0
(x+5)(x-7) >0 it IS zero between -5 and 7 and greater than 0 outside of this
-5>x>7
Here is the graph: