For what values of x is \(x^2-2x>35\)? Express your answer in interval notation.
re-write as
x^2-2x-35 >0 factor
(x-7)(x+5) >0 so x = 7 and -5 will make equation EQUAL to zero
there are three intervals to consider
-infinity to -5 -5 to 7 and 7 to + infinity
works nope works
(-inf,-5) U (7, + inf)