F2MATHS!!!

2008-08-02 12:46 am
factorize the following polynomials

1)ax+ay-az+bx+by-bz

2)p[2]+qr-q[2]-pr

3)x[2]-14x-72

4)4x[2]-4x-15

5)8m[2]-24mn+18n[2]

6)x[4]+x[2]+1

[n]即n次方

回答 (3)

2008-08-02 1:04 am
✔ 最佳答案
1.a(x+y-z)+b(x+y-z)=(x+y-z)(a+b)
2.r(q-p)+(p[2]-q[2])=-r(p-q)+(p-q)(p+q)=-r(p-q)(p+q)
3.(x-18)(x+4)
4.(2x-5)(2x+3)
5.(4m-6n)(2m-3n)
6.x[6]+1
參考: 自己
2008-08-02 1:34 am
(1)(a+b)(x+y+z)
(2)(p+q)(p-q)+qr-pr=-(p+q)(q-p)+r(q-p)=(q-p){r-p+q}
(3)(x-18)(x+4)
(4)(2x+3)(2x-5)
(5)(2m-3n)(4m-6n)
(6)(x[2]+1)[2]-x[2]=(x[2]+x+1)(x[2]-x+1)
[n]即n次方

2008-08-01 17:35:50 補充:
前面2個回答者 答案都有錯誤喔!
我係大學生 相信我的答案吧!!
我係第3個答覆的人!!

2008-08-01 17:38:00 補充:
第2題是(q-p)(r-p-q)!!晤該~
參考: 自
2008-08-02 1:11 am
1) (a-b)(x+y-z)

2) (2-r)(p-q)

3) 2(x-7x-36)

4) 8x-4x-15

5) 4(4m-6mn+9n)

6) 4x+2x+1


Hope this can help you !!!
參考: by Me


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