1. simplify: (4x^2-2x)+(5x^2+x)
2. simplify: a^2a^4/a^-2
3. simplify: x^2+7x+12
Simplify questions
2008-12-30 8:06 am
回答 (2)
2008-12-30 8:45 am
✔ 最佳答案
1. (4x^2-2x)+(5x^2+x)
=9x^2-x
=x(9x-1)
2.
a^2a^4/a^-2
=a^[2+4-(-2)]
=a^8
3.
x^2+7x+12
=(x+3)(x+4)
參考: me
2008-12-30 8:45 am
1. simplify: (4x2-2x)+(5x2+x)
=9x2-x
2. simplify: a2a4/a-2
=a6/a-2
=a6+2
=a8
3. simplify: x2+7x+12 ?!
=9x2-x
2. simplify: a2a4/a-2
=a6/a-2
=a6+2
=a8
3. simplify: x2+7x+12 ?!
收錄日期: 2021-04-23 20:38:44
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20081230000051KK00017