yourrbby
yourrbby
29-01-2018
Mathematics
contestada
Find the product. (2n + 2)(2n – 2)
Respuesta :
choixongdong
choixongdong
29-01-2018
(2n + 2)(2n – 2)
= (2n)^2 -2^2
= 4n^2 - 4
hope it helps
Answer Link
AnimeBrainly
AnimeBrainly
29-01-2018
Use the FOIL method, or
(F
irst,
O
utside,
I
nside,
L
ast)
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
Answer Link
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