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OpenStudy (anonymous):
( x + 2)( x - 17)( x +1) > 0 solve
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OpenStudy (saifoo.khan):
\[x>17, -2<x<-1\]
OpenStudy (mertsj):
For the product of 3 factors to be positive, all must be positive or exactly 2 must be positive.
OpenStudy (mertsj):
So make a sign chart of each factor. I will demonstrate:
OpenStudy (mertsj):
|dw:1325637807522:dw|
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