27x^3 - 8y^3 - z^3
更新1:
and this: 27x^3 + 8y^3 + z^3
更新2:
thanks(^_^)
Can this be factored?
回答 (3)
2008-09-22 3:36 pm
✔ 最佳答案
None of them can be factorised.
2008-09-22 3:34 pm
no.
2008-09-22 3:36 pm
yeah
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https://hk.answers.yahoo.com/question/index?qid=20080922073106AAfbmh9