更新1:
steps must be shown clearly
Factorization F.3
回答 (2)
2008-07-22 4:51 am
✔ 最佳答案
26b - 169 - b^2= -(b^2- 26b+169)
= -(b^2- 26b+13^2)
= -(b-13)(b-13)
= -(b-13)^2
參考: myself
2008-07-22 3:18 am
26b - 169 - b square
= - ( b square - 26 b 169 )
= - ( b square - 26 b 13 square )
= - ( b - 13 ) ( b - 13 )
希望幫到您!
= - ( b square - 26 b 169 )
= - ( b square - 26 b 13 square )
= - ( b - 13 ) ( b - 13 )
希望幫到您!
收錄日期: 2021-05-01 18:47:38
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https://hk.answers.yahoo.com/question/index?qid=20080721000051KK02472