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For what values of $x$ is $x^2-2x>35$? Express your answer in interval notation.

 Mar 1, 2018
 #1
avatar+15350 
+2

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:

 Mar 1, 2018

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