factorize x^2-12x+36(5點)

2008-08-26 1:02 am

factorize x^2-12x+36
hence factorize (a-1)^2-12(a-1)+36
Please!!

回答 (2)

2008-08-26 1:12 am

✔ 最佳答案

x^2-12x+36
=(x-6)(x-6)
=(x-6)^2

SO.
(a-1)^2-12(a-1)+36
=(a-1-6)(a-1-6)
=(a-7)^2

2008-08-25 17:13:20 補充：
since x=(a-1)
in this case

參考: myself

👍 0 👎 0

2008-08-26 1:13 am

x^2-12x+36=(x-6)^2-----result a

let x= a-1

x^2-12x+36
=(a-1)^2-12(a-1)+36

according from the result a,

(a-1)^2-12(a-1)+36
=(a-1-6)^2
=(a-7)^2

👍 0 👎 0