Question

phan tich thanh nhan tu:

\(x^4+x^3+2x^2+x+1\)

Answer 1

`= x^4 + x^3 + 2x^2 + x + 1`

`= x^4 + x^3 + x^2 + x^2 + x+1`

`= x^2(x^2+x+1) + 1(x^2+x+1)`

`= (x^2+1)(x^2+x+1)`