Question

[Trần Minh Hưng]

Phân tích đa thức thành nhân tử:

1) \(2a^2b^2+2b^2c^2+2c^2a^2-a^4-b^4-c^4\)

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

3) \(\left(x+y\right)^7+\left(y-2\right)^7+\left(z-x\right)^7\)

4) \(\left(x-y\right)^5+\left(y-z\right)^5+\left(z-x\right)^5\)

5) \(\left(x-y\right)^7+\left(y-z\right)^7+\left(z-x\right)^7\)

6) \(8\left(x+y+z\right)^3-\left(x+y\right)^3-\left(y+z\right)^3-\left(z+x\right)^3\)

7) \(x^3+y^4-6xy+8\)

8) \(x^3+y^3+3x^2+3y^2++6x+6y+8\)

9) \(a^3+ac^2-abc+b^2c+b^3\)