Find the range of values of for which

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- May 7th 2011, 07:31 AMPunchFind the range of values of x
Find the range of values of for which

- May 7th 2011, 09:44 AMtopsquark
- May 7th 2011, 09:45 AMHallsofIvy
So you want to find x so that or

If |x|> 2, then so those are the same as

and

which are, of course, the same as

and

What values of x> 2 or x< -2 satisfy those?

If |x|< 2 then so those are the same as

and

which are the same as

and

What values of x, -2< x< 2, satisfy those? - May 7th 2011, 10:31 AMmcp2
Multiply out and get it all on one side, you will have a quadratic.