3x^2+12x+12
--------------------
-343-8y^3
--------------------
(x+y)^3-8(x-y)^3
正確答案:???
F.2 factorize
2007-07-22 11:40 pm
回答 (2)
2007-07-22 11:47 pm
✔ 最佳答案
3x^2 + 12x + 12(x+2)(x-3)
x= -2 or x = 3
-343 -8y^3
(-7)^3 - (2y)^3
(-7+2y ) ( 49+14y+4y^2)
(x+y)^3 -[2(x-y)]^3
2007-07-22 11:47 pm
(3x+6)(x+2)
-(2y+7)(4y^2-14y+49)
-(x+y)(x^2+y^2)
-(2y+7)(4y^2-14y+49)
-(x+y)(x^2+y^2)
收錄日期: 2021-04-25 23:00:39
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070722000051KK02220