Factorize 類一題....5分

2008-03-15 2:25 am

Factorize 2x^3+8x^2

唔識做...幫下手
...thx

更新1:

timtim_lau1999 你答乜呀......

回答 (5)

2008-03-15 6:18 am

✔ 最佳答案

2x^3+8x^2
= 2x^3+2^3*x^2
= 2^(1+3)*x^(3+2)
= 2^4*x^5
= 16x^5

or

2x^3+8x^2
= 2x^2(x+4)

[take the common factor (2x^2) out!!]

參考: me

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2008-03-15 5:07 am

抽factor出泥~
2X^2(X+4)

可以上網睇example

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2008-03-15 4:27 am

唉,益左我= =

2x^3+8x^2
=2x^2(x+4)

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2008-03-15 2:47 am

2x^3+8x^2

=2x^2(x+4)
係將個factor 2x抽左出黎!!!

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2008-03-15 2:26 am

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