Question

phân tích thành nhân tử: x³ -3x² + 3x - 1

Answer 1

giải giúp mình luôn câu: 4x²- 4xy + y² -8x +4y

Answer 2

x³-3x²+3x-1=x³-3x²+3x-1³=(x-1)(x²+x+1)+3(x²-x)

Answer 3

x³-3x²+3x-1

=(x³-1) -(3x²-3x)

=(x-1)x(x²-x+1)-3xx(x-1)

=(x-1)x(x²-x-3x+1)

=(x-1)x(x²-4x+1)

Answer 4

4x²-4xy+y²-8x+4y

=4x²-8x+4+ y²+4y-4

=(2x-2)²-(y-2)²

=(2x-2+y-2)x(2x-2-y+2)

=(2x+y-4)x(2x-y)