已知2x+3x(x−1)(x+2)＝Ax+Bx−1+Cx+2

∵Ax+Bx−1+Cx+2=A(x−1)(x+2)+Bx(x+2)+Cx(x−1)x(x−1)(x+2)=(A+B+C)x2+(A+2B−C)x−2Ax(x−1)(x+2)=2x+3x(x−1)(x+2)，∴A+B+C＝0A+2B−C＝2−2A＝3，解得：A＝−32B＝53C＝−16，∴A、B、C的值分别为：-32，53，-16．