I'm having a hard time with this question.
Is it asking if -2x^3 + BLANK =12x^8
更新1:
Thanks joel just what i needed :)
Thanks joel just what i needed :)
收錄日期: 2021-05-01 11:29:29
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20081111011759AAeL13Q