Factorize the following expressions.
1.3p+2q*q-q-6pq
2.(x-5)*(x-5)+2x-10
3.(4+a)(4-a)-12-3a
Please help me!
Maths
2013-09-20 8:41 pm
回答 (1)
2013-09-20 9:12 pm
✔ 最佳答案
1.3p+2q*q-q-6pq=3p-q+2q(q-3p)
=3p-q-2q(-q+3p)
=3p-q-2q(3p-q)
=-(2q+1)(3p-q)
2.(x-5)*(x-5)+2x-10
=(x-5)*(x-5)+2(x-5)
=(x-5)[(x-5)+2]
3.(4+a)(4-a)-12-3a
=(4+a)(4-a)-3(4+a)
=(4+a)[(4-a)-3]
I hope I can help you
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收錄日期: 2021-04-23 23:29:30
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20130920000051KK00085