Phân tích triệt để đa thức này thành nhân tử:
[tex] x^5 + 10x^4 + 35x^3 + 50x^2 + 24x [/tex]
[TEX]x^5+x^4+9x^4+9x^3+26x^3+26x^2+24x^2+24x[/TEX]
[TEX]x^4(x+1)+9x^3(x+1)+26x^2(x+1)+24x(x+1)[/TEX]
[TEX](x+1)(x^4+9x^3+26x^2+24x)[/TEX]
[TEX](x+1)(x^4+2x^3+7^3+14x^2+12x^2+24x)[/TEX]
[TEX](x+1)[x^3(x+2)+7x^2(x+2)+12x(x+2)][/TEX]
[TEX](x+1)(x+2)(x^3+7x^2+12x)[/TEX]
[TEX](+x1)(x+2)(x^3+3x^2+4x^2+12x)[/TEX]
[TEX](x+1)(x+2)[x^2(x+3)+4x(x+3)][/TEX]
[TEX](x+1)(x+2)(x+3)(x^2+4x)[/TEX]
[TEX](x+1)(x+2)(x+3)x(x+4)[/TEX]