數學功課吾識做2(請盡快回答)

1. 4x+4y-4z
=4(x+y-z)
2. 2mp-6mq+8mr
=2m(p-3q+4r)
3. py+py^2
=py(1+y)
4.x^2+yxy^2
=x(x+y^3)
5.8b-16b^2+32b^3
=8b(4b^2-2b+1)
=8b(2b-1)^2
6.3a^2+9ab^2-18ab
=3a(a+3b^2-6b)
7. (c+d)x-(c-d)y
=cx+dx-cy+dy
=c(x-y)+d(x+y)
8.(x+y)a+(x+y)
=(x+y)(a+1)
9.h(a-d)+(a-d)^2
=(a-d)(h+a-d)

1. ab+ac+bc+b^2
=a(b+c)+b(b+c)
=(a+b)(b+c)
2. 2a-4b+3ax-6bx
=2(a-2b)+3x(a-2b)
=(2+3x)(a-2b)
3. 3y^3+y^2+12y+4
=3y(y^2+4)+(y^2+4)
=(3y+1)(y^2+4)

1. x^2-18x+81
=(x-9)^2
2. x^6-196
=(x^3+14)(x^3-14)

1.
4x+4y-4z
=4(x+y-z)

2.
2mp-6mq+8mr
=2m(p-3q+4r)

3.
py+py^2
=py(1+y)

4.
x^2+yxy^2
=x(x+y^3)

5.
8b-16b^2+32b^3
=8b(1-2b+4b^2)

6.
3a^2+9ab^2-18ab
=3a(a+3b^2-6b)

7.
(c+d)x-(c-d)y
=cx+dx-cy+dy
=c(x-y)+d(x+y)

8.
(x+y)a+(x+y)
=(x+y)(a+1)

9.
h(a-d)+(a-d)2
=(a-d)(h+a-d)

1.
ab+ac+bc+b^2
=a(b+c)+b(c+b)
=(b+c)(a+b)

2.
2a-4b+3ax-6bx
=2(a-2b)+3x(a-2b)
=(a-2b)(2+3x)

3.
3y^3+y^2+12+4
=3y^3+y^2+16

1.
x^2-18x+81
=(x-9)^2

2.
x^6-196
=(x^3-14)(x^3+14)

把下列各多項式分解為因式
1.4x+4y-4z
2.2mp-6mq+8mr
3.py+py2，2是2的2次方
4.x2+yxy2，所有2是2的2次方
5.8b-16b2+32b3，所有2是2的2次方，3是3的3次方
6.3a2+9ab2-18ab，所有2是2的2次方
7.(c+d)x-(c-d)y
8.(x+y)a+(x+y)
9.h(a-d)+(a-d)2，2是2的2次方
利用併項法，把下名多項式分解為因武，要步驟和答案
1.ab+ac+bc+b2，2是2的2次方
2.2a-4b+3ax-6bx
3.3y3+y2+12+4，，2是2的2次方，3y3，3y後的3是3的3次方
利用恆等式，因式分解下列各題，要步驟和答案
1.x2-18x+81，2是2的2次方
2.x6-196，x6，6是6的6次方

1. 4x+4y-4z
=4(x+y-z)
2. 2mp-6mq+8mr
=2m(p-3q+4r)
3. py+py^2
=py(1+y)
4.x^2+yxy^2
=x(x+y^3)
5.8b-16b^2+32b^3
=8b(4b^2-2b+1)
=8b(2b-1)^2
6.3a^2+9ab^2-18ab
=3a(a+3b^2-6b)
7. (c+d)x-(c-d)y
=cx+dx-cy+dy
=c(x-y)+d(x+y)
8.(x+y)a+(x+y)
=(x+y)(a+1)
9.h(a-d)+(a-d)^2
=(a-d)(h+a-d)

1. ab+ac+bc+b^2
=a(b+c)+b(b+c)
=(a+b)(b+c)
2. 2a-4b+3ax-6bx
=2(a-2b)+3x(a-2b)
=(2+3x)(a-2b)
3. 3y^3+y^2+12y+4
=3y(y^2+4)+(y^2+4)
=(3y+1)(y^2+4)

1. x^2-18x+81
=(x-9)^2
2. x^6-196
=(x^3+14)(x^3-14)

1. 4x+4y-4z
=4(x+y-z)
2. 2mp-6mq+8mr
=2m(p-3q+4r)
3. py+py^2
=py(1+y)
4.x^2+yxy^2
=x(x+y^3)
5.8b-16b^2+32b^3
=8b(4b^2-2b+1)
=8b(2b-1)^2
6.3a^2+9ab^2-18ab
=3a(a+3b^2-6b)
7. (c+d)x-(c-d)y
=cx+dx-cy+dy
=c(x-y)+d(x+y)
8.(x+y)a+(x+y)
=(x+y)(a+1)
9.h(a-d)+(a-d)^2
=(a-d)(h+a-d)

1. ab+ac+bc+b^2
=a(b+c)+b(b+c)
=(a+b)(b+c)
2. 2a-4b+3ax-6bx
=2(a-2b)+3x(a-2b)
=(2+3x)(a-2b)
3. 3y^3+y^2+12y+4
=3y(y^2+4)+(y^2+4)
=(3y+1)(y^2+4)

1. x^2-18x+81
=(x-9)^2
2. x^6-196
=(x^3+14)(x^3-14)