SOLUTION: Solve the inequality: (x+4)(x-1)>0 I got x<-4 or x>1 can someone confirm? thanks

Question 823061: Solve the inequality:
(x+4)(x-1)>0
I got x<-4 or x>1 can someone confirm?
thanks
Answer by josgarithmetic(39630) (Show Source): You can put this solution on YOUR website!
Critical points are x at -4 and +1.
For the condition to be greater than zero, both factors are either positive or both factors negative.
x<-4?
(-)(-)=(+)>0.
Yes.

-4 (+)(-)=(-)<0
No.

x>1?
(+)(+)=(+)>0
Yes.

Confirmed!
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