Chọn câu sai.
A. ( x – 1 ) 3 + 2 ( x – 1 ) 2 = ( x – 1 ) 2 ( x + 1 )
B. ( x – 1 ) 3 + 2 ( x – 1 ) = ( x – 1 ) [ ( x – 1 ) 2 + 2 ]
C. ( x – 1 ) 3 + 2 ( x – 1 ) 2 = ( x – 1 ) [ ( x – 1 ) 2 + 2 x – 2 ]
D. ( x – 1 ) 3 + 2 ( x – 1 ) 2 = ( x – 1 ) ( x + 3 )