Answer:
Factorizing as the Difference of Two Squares
1. 144x2 - 49
Step-by-step explanation:
Where is the picture?
lol what is that. delete it
Now, let's do the same as we did for the previous one here.

notice again, how did we get 84 for the 4th element's coefficient? well 36 * 7 / 3. and so on. And you can just expand it from there.
Answer:
The big prism=
feet squared
Each individual cube= 216 inches squared
Step-by-step explanation:
The big prism LxWxH
The individual cube = 1 foot/6 (amount of edges made of small cubes) = 2 inches.
IDK how to convert from inches to feet though cause I ain't American. Sorry.
Hope that helped!!! k
The independent variable is the type of material the balls are made from