SOLUTION: solve each polynomial inequality. Approximately to three decimal places if necessary? (x + 4)(3x - 9) (x

SOLUTION: solve each polynomial inequality. Approximately to three decimal places if necessary? (x + 4)(3x - 9) (x - 1) < 0

Question 1167821: solve each polynomial inequality. Approximately to three decimal places if necessary?
(x + 4)(3x - 9) (x - 1) < 0
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
This should give exact solutions, since in factored form as given. Critical values to set intervals are -4, 1, and 3.

(-infin,-4)      (-4,1)        (1,3)          (3, infin)
(-)(-)(-)       (+)(-)(-)     (+)(-)(+)       (+)(+)(+)
 NEG             POS            NEG           POS

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