SOLUTION: Find the product. I can't seem to figure this one out. [(4x-y)+3z][(4x-y)-3z]

Algebra ->  Real-numbers -> SOLUTION: Find the product. I can't seem to figure this one out. [(4x-y)+3z][(4x-y)-3z]      Log On


   

Question 45818: Find the product. I can't seem to figure this one out.
[(4x-y)+3z][(4x-y)-3z]
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
4X-Y+3Z
4X-Y-3Z
-----------
16X~2-4XY+12XZ
.....-4XY.....+Y~2-3YZ
.........-12XZ....+3YZ-9Z~2
---------------------------
16X~2-8XY......+Y~2...-9Z~2
the final answer is 16x~2-8xy+y~2-9z~2