Answer:
Decomposition, synthesis, replacement
Step-by-step explanation:
Answer:
I am pretty sure all you need are the factors of 252 and list all of them

I've done this a million times and I'm still getting 4 instead of 32. Are you sure you posted the coefficients?
y-2x-6 would be this expression factored
Answer:
x=9
Step-by-step explanation:
FE is 3x-7
since ΔABC≅ΔDEF the equivalent of FE is CB, or BC...which is 20
3x-7=20
3x=27
x=9