Factor the following trinomials.
1) a^2-7ab-120b^2
2) 4(3x-y)^2+21(3x-y)+5
3) 15a^5+15a^3b^3-90ab^4
啲問題可能多左啲,但唔該答到就答!多謝!
收錄日期: 2021-04-11 19:11:22
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20121112000051KK00242