phan tich thanh nhan tu:

\(x^{10}+x^5+1\)

phan tich thanh nhan tu:

\(x^8+x+1\)

phan tich thanh nhan tu:

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

phan tich thanh nhan tu:

\(x^4+6x^3+13x^2+12x+1\)

rut gon bieu thuc sau:

B=\(\dfrac{1+x}{3-x}-\dfrac{1-2x}{3+x}-\dfrac{x\left(1-x\right)}{9-x^2}\)

phan tich thanh nhan tu:

\(x^4+6x^3+13x^2+12x+1\)