1) 3х^2 + 2х - 1 ≥ 0 2) (5+3х)(0.4х-2) > 0 3) х^3 + х^2 - 9х - 9 > 0

Question

1) 3х^2 + 2х - 1 ≥ 0

2) (5+3х)(0.4х-2) > 0

3) х^3 + х^2 - 9х - 9 > 0

Answer 1

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