SOLUTION: Find the product (2x-4y)(2x+4y)

Question 404648: Find the product
(2x-4y)(2x+4y)
Answer by jsmallt9(3758) (Show Source): You can put this solution on YOUR website!
(2x-4y)(2x+4y)
The slow way to multiply this is with FOIL. The faster way is to recognize that this expression fits the pattern with the "a" being 2x and the "b" being 4y. Using this pattern:

FOIL should give you the same answer but after more work.
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