因式分解6(x+2y)²-2(x+2y)-8
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解决时间 2021-01-17 03:01
- 提问者网友:趣果有间
- 2021-01-16 02:28
因式分解6(x+2y)²-2(x+2y)-8
最佳答案
- 五星知识达人网友:慢性怪人
- 2021-01-16 03:12
解:
6(x+2y)²-2(x+2y)-8
=2[3(x+2y)²-(x+2y)-4]
=2(x+2y+1)[3(x+2y)-4]
=2(x+2y+1)(3x+6y-4)
6(x+2y)²-2(x+2y)-8
=2[3(x+2y)²-(x+2y)-4]
=2(x+2y+1)[3(x+2y)-4]
=2(x+2y+1)(3x+6y-4)
全部回答
- 1楼网友:走死在岁月里
- 2021-01-16 03:55
6(x+2y)²-2(x+2y)-8
=2[3(x+2y)²-(x+2y)-4 ]
=2[3(x+2y)-4][(x+2y)+1]
=2(3x+6y-4)(x+2y+1)
=2[3(x+2y)²-(x+2y)-4 ]
=2[3(x+2y)-4][(x+2y)+1]
=2(3x+6y-4)(x+2y+1)
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