4z(3x - 2y + 1)

4(3x - 2y + z)

4y(3x - 2 + z)

x(12 - 8y + z)

x(x - 12)

(x + 6)(x - 4)

(x - 8)(x - 3)

(x - 6)(x - 4)

(x + 9)(x + 4)

(x + 9)(x + 6)

(x + 12)(x + 3)

(x - 12)(x - 3)

(x - 10)(x - 10)

(x - 10)(x + 10)

(x - 50)(x - 50)

(x - 50)(x + 50)

8

16

24

32

(x - 10)(x + 2)

(x + 10)(x - 2)

(x - 4)(x - 5)

(x - 10)(x - 2)

(8x - 3)(8x -3)

(8x - 3)(8x + 3)

(4x - 3)(4x + 3)

(4x - 3)(4x - 3)

 $\left(x^2-6\right)\left(y^2-6\right)$  

 $\left(x^2-6\right)\left(y^2+6\right)$  

 $\left(xy-6\right)\left(xy-6\right)$  

 $\left(xy-6\right)\left(xy+6\right)$  

 $\left(10x-5y\right)\left(10x-5y\right)$  

 $25\left(2x-y\right)\left(2x-y\right)$  

 $25\left(2x-y\right)\left(2x+y\right)$  

 $5\left(2x-y\right)\left(2x+y\right)$