12. What is the Greatest Common Factor of 6x and 3x2?
A.3x
B.3
C.6x
D.6
13. What is the complete factored form of x^2 - 25?
A.(x - 5)2
B. (x + 5)2
C.(x-5)(x+5)
D.(x+5)(x+5)
14. It refers to numbers or expressions that can be expressed to the power of 3.
A. Perfect squares
B.Perfect cubes
C.Factoring
D. Rationalization
15. All of the following are factors of 10x2 except one. What is it?
A.10
B.10x
C. 10x2
D. 10x3​