Question

Представь в виде произведения
1−x^27t^9

Answer 1

(1-x^9t^3)*(1+x^9t^3+x^18t^6)

Answer 2

1−x^27t^9=

=-(x^3y-1)*(x^6y^2+x^3y+1)*(x^18y^6+x^9y^3+1)