因式分解:
6b^2-(17/2)b+3
PS:
17/2=8.5
1題中二因式分解~!(5點)
2011-07-12 11:09 pm
回答 (2)
2011-07-12 11:16 pm
✔ 最佳答案
因式分解:6b^2－(17/2)b+3
=(1/2)(12b2－17b+6)
=(1/2)(3b－2)(4b－3)
2011-07-12 15:19:24 補充：
因式分解:
6b^2－(17/2)b+3
=(1/2)(12b2－17b+6)
=(1/2)[(12b^2-8b)+(-9b+6)]
=(1/2)[4b(3b－2)－3(3b－2)]
=(1/2)(4b－3)(3b－2)
2011-07-12 11:28 pm
收錄日期: 2021-04-13 18:05:42
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20110712000051KK00570