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2(x²+⅔x+1/9)-3x+⅕=0
2x²+1⅓x +2/9-3x+⅕=0 /*45
90x²+60x+10-135x+8=0
90x²-75x+18=0 /:3
30x²-25x+6=0
Δ=625-720
Δ<0, czyli x∈ do zbioru pustego.