Объяснение:
3) (3x²-x-4)²(5x-2-4x-1)>=0
((3x-4)(x+1))²(x-3)>=0
x=4/3 x=-1 x=3
(3; +infin)
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Объяснение:
3) (3x²-x-4)²(5x-2-4x-1)>=0
((3x-4)(x+1))²(x-3)>=0
x=4/3 x=-1 x=3
(3; +infin)