SOLUTION: Solve each inequality using the test-point or sign graph method. x^3+7x^2-36 less than/equal to 0

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Question 851307: Solve each inequality using the test-point or sign graph method.
x^3+7x^2-36 less than/equal to 0
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
x^3+7x^2-36 <= 0
(x-2) (x+3) (x+6)<=0
-3<=x<=2
x<=-6