Posted by **Mur** on Sunday, March 9, 2008 at 1:00am.

Solve. (x+5)(x-3)(x+4) is greater than 0.

Use at least one inequality or compound inequality to express your answer. Type R if the answer is in all real numbers.

- Algebra -
**drwls**, Sunday, March 9, 2008 at 5:40am
The expression is zero at x= -5, -4 and +3. It becomes increasingly negative for x<-5 and increasing positive for x>3.

It is negative for -4<x<3 and positive for -5<x<-4

Therefore the answer is x>3 and -5<x<-4

Try graphing it and see. It is negative at x=0 and positive for x=-4.5,so that works.

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