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0714(x+y)=A教科書ページ20

Total questions: 10

Worksheet time: 2mins

Name
Class
Date
1.

(x+y)24(x+y)12\left(x+y\right)^2-4\left(x+y\right)-12 を因数分解せよ。

(x+y)=Aとおくと

a)

A24A12A^2-4A-12

b)

A2A12A^2-A-12

c)

A2+A6A^2+A-6

2.

(xy)2(xy)12\left(x-y\right)^2-\left(x-y\right)-12 を因数分解せよ。

(x-y)=Aとおくと

a)

A2A12A^2-A-12

b)

A2+A6A^2+A-6

c)

A2+7AA^2+7A

3.

(x+3y)2+(x+3y)6\left(x+3y\right)^2+\left(x+3y\right)-6 を因数分解せよ。

(x+3y)=Aとおくと

a)

A2+A6A^2+A-6

b)

A2+7AA^2+7A

c)

A2+AA^2+A

4.

(x+y)2+7(x+y)\left(x+y\right)^2+7\left(x+y\right) を因数分解せよ。

(x+y)=Aとおくと

a)

A2+7AA^2+7A

b)

A2+AA^2+A

c)

A24A12A^2-4A-12

5.

(2x+1)2+2x+1\left(2x+1\right)^2+2x+1 を因数分解せよ。

(2x+1)=Aとおくと

a)

A2+AA^2+A

b)

A24A12A^2-4A-12

c)

A2A12A^2-A-12

6.

A24A12A^2-4A-12

a)

(A+2)(A6)\left(A+2\right)\left(A-6\right)

b)

(A4)(A+3)\left(A-4\right)\left(A+3\right)

c)

(A+3)(A2)\left(A+3\right)\left(A-2\right)

d)

A(A+7)A\left(A+7\right)

7.

A2A12A^2-A-12

a)

(A4)(A+3)\left(A-4\right)\left(A+3\right)

b)

(A+3)(A2)\left(A+3\right)\left(A-2\right)

c)

A(A+7)A\left(A+7\right)

d)

A(A+1)A\left(A+1\right)

8.

A2+A6A^2+A-6

a)

(A+3)(A2)\left(A+3\right)\left(A-2\right)

b)

A(A+7)A\left(A+7\right)

c)

A(A+1)A\left(A+1\right)

d)

(A+2)(A6)\left(A+2\right)\left(A-6\right)

9.

A2+7AA^2+7A

a)

A(A+7)A\left(A+7\right)

b)

A(A+1)A\left(A+1\right)

c)

(A+2)(A6)\left(A+2\right)\left(A-6\right)

d)

(A4)(A+3)\left(A-4\right)\left(A+3\right)

10.

A2+AA^2+A

a)

A(A+1)A\left(A+1\right)

b)

(A+2)(A6)\left(A+2\right)\left(A-6\right)

c)

(A4)(A+3)\left(A-4\right)\left(A+3\right)

d)

(A+3)(A2)\left(A+3\right)\left(A-2\right)