解整式的乘除

Question

详细的解法过程

Answer 1

(3x^3-4x^2+5x-1) / (x^2+3x-1)

3x^3-4x^2+5x-1
=3x(x^2+3x-1) -13x^2+8x-1
=3x(x^2+3x-1) -13(x^2+3x-1) +47x -14

(3x^3-4x^2+5x-1) / (x^2+3x-1)
=3x-13 + [ ( 47x-14)/ (x^2+3x-1) ]本回答被提问者采纳