Phân tích thành nhân tử: 12x^2 – 72x + 60.
Giải thích
12x2 – 72x + 60
= 12x2 – 12x – 60x + 60
= 12x(x – 1) – 60(x – 1)
= (x – 1)(12x – 60)
= 12(x – 1)(x – 5).
12x2 – 72x + 60
= 12x2 – 12x – 60x + 60
= 12x(x – 1) – 60(x – 1)
= (x – 1)(12x – 60)
= 12(x – 1)(x – 5).