Odpowiedź:
-3x²+2x-⅓≤0
-9x²+6x-1≤0
-9x²+3x+3x-1 ≤0
-3x×(3x-1)+1(3x-1)≤0
-(3x-1)×(3x-1)≤0
-(3x-1)²≤0
(3x-1)²≥0
x€R
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Odpowiedź:
-3x²+2x-⅓≤0
-9x²+6x-1≤0
-9x²+3x+3x-1 ≤0
-3x×(3x-1)+1(3x-1)≤0
-(3x-1)×(3x-1)≤0
-(3x-1)²≤0
(3x-1)²≥0
x€R