(x^2+2x-2)(x-5)= ???
3a(a+b)=????
(3a^2)(6a^3)=????
Maths
2007-08-19 6:50 pm
回答 (1)
2007-08-19 7:10 pm
✔ 最佳答案
(x^2+2x-2)(x-5)=x^3+2x^2-2x-5x^2-10x+10
=x^3-3x^2-12x+10
3a(a+b)=3a^2+3ab
(3a^2)(6a^3)=18a^5
收錄日期: 2021-04-13 18:25:33
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070819000051KK01205