(4X^2-2-X^3+3X)+(5X-9+X^3-6X^2)
=
請幫我化簡多項式
2009-11-24 6:15 am
回答 (3)
2009-11-24 6:17 am
✔ 最佳答案
(4X^2-2-X^3+3X)+(5X-9+X^3-6X^2)= 4X^2-2-X^3+3X + 5X-9+X^3-6X^2
= -2 - 9 + 3X + 5X + 4X^2 - 6X^2 - X^3 + X^3
= -11 + 8X - 2X^2
2009-11-24 5:38 pm
(4X^2-2-X^3+3X)+(5X-9+X^3-6X^2)
=4X^2-6X^2 -X^3+X^3 +3X+5X -2-9
=-2X^2+8X-11
=4X^2-6X^2 -X^3+X^3 +3X+5X -2-9
=-2X^2+8X-11
參考: 自己想
收錄日期: 2021-04-23 22:44:26
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20091123000051KK01481