Posted by **Jonathan** on Wednesday, August 8, 2007 at 7:34pm.

Solve x^2>_2x+24

x^2-2x-24>=0

(x-6)(x+4)>=0

So as long as x>6, it works. But what about two negatives?

Try x=-5..checks...check me on that.

So it looks as if -inf<x<=-4 works, and

6<=x<inf works.

check that.