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2(3x-1)^2 -3
= 2(9x^2-6x+1) - 3
= 18x^2 - 12x + 2 - 3
= 18x^2 - 12x -1
jawaban: e
semoga membantu
2x^2 -3
2(3x-1)^2 -3
2(9x^2 -6x+2)-3
18x^2-12x-1 jawaban E