February 21, 2017

Homework Help: Math: Inequalities

Posted by Amy~ on Tuesday, September 21, 2010 at 4:03pm.

for this inequality:

(x-1)(x-2)(x-3) <0 becomes

x<1 x<2 x<3

but why when I graph the inequality it becomes (this is the actually answer) {x|x<1 or 2<x<3}

I don't understand why it couldn't just be x<3 ?

Also I don't understand why there's an "or" and why the < changed?

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