How to simplify : x²+10x+25?!?
回答 (5)
2010-07-19 10:15 am
✔ 最佳答案
---------------------------------------------------------------x²+10x+25
=(x+5)(x+5)
=(x+5)²
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Hope This Helps !
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參考: My Brain.
2010-07-19 10:51 am
x²+10x+25 = x²+5x+5x+25 = x(x+5)+5(x+5) = (x+5)(x+5) = (x+5)^2
2010-07-19 11:50 am
( x + 5 ) ²
2010-07-19 10:29 am
x^2 + 10x + 25
= x^2 + 5x + 5x + 25
= (x^2 + 5x) + (5x + 25)
= x(x + 5) + 5(x + 5)
= (x + 5)(x + 5)
= (x + 5)^2
= x^2 + 5x + 5x + 25
= (x^2 + 5x) + (5x + 25)
= x(x + 5) + 5(x + 5)
= (x + 5)(x + 5)
= (x + 5)^2
2010-07-19 10:15 am
(x+5)(x+5)
收錄日期: 2021-05-01 13:17:28
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https://hk.answers.yahoo.com/question/index?qid=20100719021421AAWxXH6