2x^4-3x^3-x^2+5x+6
=2X^3(X+1)-5X^3-X^2+5X+6
=2X^3(X+1)-5X^2(X+1)+4X^2+5X+6
=2X^3(X+1)-5X^2(X+1)+4X(X+1)+(X+1)+5
=(2X^3-5X^2+4X+1)(X+1)+5
商式2X^3-5X^2+4X+1
余5
2x^4-3x^3-x^2+5x+6
=2X^3(X+1)-5X^3-X^2+5X+6
=2X^3(X+1)-5X^2(X+1)+4X^2+5X+6
=2X^3(X+1)-5X^2(X+1)+4X(X+1)+(X+1)+5
=(2X^3-5X^2+4X+1)(X+1)+5
商式2X^3-5X^2+4X+1
余5