因式分解:x³y³-x²y²-xy+1

来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/24 21:20:32
因式分解:x³y³-x²y²-xy+1因式分解:x³y³-x²y²-xy+1因式分解:x³y³-x&

因式分解:x³y³-x²y²-xy+1
因式分解:x³y³-x²y²-xy+1

因式分解:x³y³-x²y²-xy+1
x³y³-x²y²-xy+1
  =x²y²﹙xy-1﹚-﹙xy-1﹚
  =﹙xy-1﹚﹙x²y²-1﹚
  =﹙xy-1﹚﹙xy-1﹚﹙xy+1﹚
  =﹙xy-1﹚²﹙xy+1﹚