Toán Lớp 8: B3: ptdt thành nhân tử: a) x^3

x^3-4x^2+4-x =(x^3-4x^2)-(x-4) =x^2(x-4)-(x-4) =(x-4)(x^2-1) =(x-4)(x-1)(x+1)

Bạn tham khảo ! x^3 - 4x^2 + 4-x =(x^3-4x)-(x-4) =x^2(x-4)-(x-4) =(x-4)(x^2-1) =(x-4)(x-1)(x+1)

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Toán Lớp 8: B3: ptdt thành nhân tử: a) x^3 – 4x^2 + 4-x