Question

Phân tích đa thức thành nhân tử: (x-1)³+2(x-1)²

Answer 1

\(\left(x-1\right)^3+2\left(x-1\right)^2\)

\(=\left(x-1\right)^2\left(x-1+2\right)\)

\(=\left(x-1\right)^2\left(x+1\right)\)

Answer 2

\(\left(x-1\right)^3+2\left(x-1\right)^2\)

\(=\left(x-1\right)^2\left(x-1+2\right)\)

\(=\left(x-1\right)^2\left(x+1\right)\)

\(#Minh\)