Toán Lớp 10: Tìm nghiệm cho pt sau : 3*x^2 -10*x*(x^2 -x+1)+7*(-x^2 +x-1)^2 = 0
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Toán Lớp 10: Tìm nghiệm cho pt sau : 3*x^2 -10*x*(x^2 -x+1)+7*(-x^2 +x-1)^2 = 0
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