國中因式分解疑問？
回答 (3)
2012-05-09 8:18 pm
✔ 最佳答案
can't factorize有3個未知數
x,y,z
3個不可能在上面的factorize的...
2012-05-09 16:17:27 補充：
002:
分解有什麼用呢?還是化解不了的,這我知道,但根本與x²-y²無關
2012-05-09 10:20 pm
題目有沒有抄錯?
...
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2012-05-09 8:35 pm
Yep. It's factorable^^
x²(y - z)(y + z) - z(x - y)(x+y)
When it's x²-y²
It's always (x - y)(x + y)
Hope my answer helps you^^
2012-05-09 12:36:48 補充：
By the way, 紫雲夢想．回憶後的世界,
It's can't be factored, not factorize^^
x²(y - z)(y + z) - z(x - y)(x+y)
When it's x²-y²
It's always (x - y)(x + y)
Hope my answer helps you^^
2012-05-09 12:36:48 補充：
By the way, 紫雲夢想．回憶後的世界,
It's can't be factored, not factorize^^
參考: Idk............
收錄日期: 2021-04-23 20:48:27
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https://hk.answers.yahoo.com/question/index?qid=20120509000015KK02269