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svet-max [94.6K]
3 years ago
5

Find the product. (2n + 2)(2n – 2)

Mathematics
2 answers:
antoniya [11.8K]3 years ago
7 0
Use the FOIL method, or (First, Outside, Inside, Last)

2n x 2n = 4n^2
2n x (-2) = -4n
2n x (2) = 4n
2 x (-2) = -4

4n² - 4n + 4n - 4   (simplify)

4n² (-4n + 4n) - 4

-4n + 4n = 0

4n² - 4 is your answer

hope this helps
vekshin13 years ago
3 0
<span>(2n + 2)(2n – 2)
= (2n)^2 -2^2
= 4n^2 - 4

hope it helps</span>
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