Factorize the following by grouping terms.
1) x^2-9x+14
2) 5x^2+8x-4
吾該比埋個STEPS!!因為我想明=_="
收錄日期: 2021-04-23 22:25:30
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20101024000051KK00950