Question

Phân tích đa thức thành nhân tử : x³+2+3(x³-2)

Answer 1

\(=4\left(x^3+2\right)\)

Answer 2

x³ + 2 + 3(x³ + 2)

= 4(x³ + 2)

Answer 3

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

\(4\left(x^3+2\right)\)

\(4x^3+8\)

Answer 4

\(=x^3+2+3x^3-6=4x^3-4=4\left(x^3-1\right)=4\left(x-1\right)\left(x^2+x+1\right)\)

Answer 5

Đề bài: `x³+2+3(x³-2)`

`x<sup>3</sup> + 2 + 3(x<sup>3</sup> + 2)`

`= 4(x<sup>3</sup> + 2)`