(X^3-1)/(X-1)= (9x^3-6X^2-5X+2)/(3X-1)=

问题描述:

(X^3-1)/(X-1)= (9x^3-6X^2-5X+2)/(3X-1)=
整式的除法

(X^3-1)/(X-1)=x^2+x+1
(9x^3-6X^2-5X+2)/(3X-1)= 3x^2-x-2