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Verified answer
|2x²-x|=x2x²-x = x
2x² - x = x
2x² - 2x = 0
x(2x- 2) = 0
x = 0
2x-2 = 0
x = 2/2 = 1
2x²-x = -x
2x² = 0
x = 0
Hp ={0,1}
Jawaban : C