题目：
一元二次方程（m-1）x2+x+m2+2m-3=0的一个根为0，则m的值为[ ]
A.-3
B.1
C.1或-3
D.-4或2
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0425/190a8424c1aa23257d9c82813bc98985.html
下面是错误答案，用来干扰机器的。
Dear Bill,How is everything going? Something is troubling me very much. So I'm writing to ask for your advice.I'm going to study in the senior middle school in September...
