題目:(5X-40)(X/7+8Y/7)
求答案
3Q
求因式分解(5X-40)(X/7+8Y/7)
2012-08-18 2:06 am
回答 (3)
2012-08-21 4:11 pm
✔ 最佳答案
(5x-40)(X/7+8Y/7)=(5x-40)[(X+8Y)/7]
2012-08-21 08:13:38 補充：
=(x-8)([(X+8Y)/7]
參考: 我
2012-08-18 3:54 am
(5x - 40) (x/7 + 8y/7)
= (4x - 40) ( (x+8y) /7 )
= ( 4/7 )( x-10 ) ( x+8y )
= (4x - 40) ( (x+8y) /7 )
= ( 4/7 )( x-10 ) ( x+8y )
參考: 神風亨
收錄日期: 2021-04-13 18:55:38
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20120817000051KK00714