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Polynomial Inequalities

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(x+1)(x-1)^2 >=0

[-4,inf)

Find the intervals where f(x)<0

(-inf,-1)U(0,2)U(2,inf)

Find the intervals where f(x)<=0

(-inf,-2]U[0]U[1,inf)

Find the intervals where f(x)>=0

(-inf,0]U[1]

3(x^2 - 9)(5-x) < 0

(-inf,-3)U(3,5)U(5,inf)

- 4x^3 (x+3)(x-1)^2 < 0

(-3,0)

(x-1)^2 (x+3) (x+1) > =0

(-inf,-3] U [-1] U [1,inf)

2(x-1)(x+3)(3-x) < 0

(-2,1) U (3,inf)

Find the intervals where f(x)>=0

[-1,0]U[2]

2x^3 - x^2 - 18x + 9 > 0

(-3,1/2) U (3,inf)

Find the intervals where f(x)>0

(-3,-1)U(-1,1)