Answer:
4n2−4
Step-by-step explanation:
2n(2n)+2n⋅−2+2(2n)+2⋅−2
4n^2-4
You do FOIL
FIRST
OUTER
INNER
LAST
2n times 2n
2n times -2
2 times 2n
2 times -2
then add if needed.