Rozwiąż nierówność (najpierw rozłóżm wielomian na czynniki):
a) -2x³+x²+18x-9≤0
b)4x³+2x²-1>x³+27x²+17
x^{2} (-2x+1) - 9 (-2x + 1) \leq 0
(-2x+1)(x^{2} - 9) \leq 0
(-2x+1)(x+3)(x-3) \leq 0
x \geq 1/2
x \leq -3
x \leq 3
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x^{2} (-2x+1) - 9 (-2x + 1) \leq 0
(-2x+1)(x^{2} - 9) \leq 0
(-2x+1)(x+3)(x-3) \leq 0
x \geq 1/2
x \leq -3
x \leq 3