Question 83975
here divide x^3 +2x^2 +x +12 by x+3
x+3)x^3+2x^2 +x +12( x^2 -x +4
    X^3+3X^2
(-)______________
       -x^2 +x
       -x^2 -3x
(-)
____________________
            4x +12
             4x +12
(-)
______________________
                   0
so here ans is x^2 -x +4