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Mathematics 8 Online
OpenStudy (anonymous):

( x + 2)( x - 17)( x +1) > 0 solve

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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