SOLUTION: What is the solution for (x-5)(x+1)(4-x)>0 in interval notation?

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Question 444127: What is the solution for (x-5)(x+1)(4-x)>0 in interval notation?
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
We have to test on either sides of the inflection points.
The inflection points are x=-1, x=4 and x=5
When x= a number the equation equals:
x=-2 42
x=0 -20
x=4.5 1.375
x=6 -14
.
X(-infinity, -1)U(4, 5)
.
Ed
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