ANSWER
The greatest common factor is

EXPLANATION
We want to find the greatest common factor of

and

The prime factorizations are;

and

The product of the least powers of the common factors is the greatest common factor.
Answer:
1. (-5)
Step-by-step explanation:
Here you go, glad to help :)
2-1, 3-2, 4-3, 1*1, 1/7, any number of expressions fit the bill here.
Answer:
x=6, AB=61, BC=61, AC=122
Step-by-step explanation:

This is just substitution. so 3(2(3)-4(1/2)+3(-2/3)= 3(6-2-2)= 3(2) = 6. Basically you plug in the values they gave you for the variables and then just solve one step at a time