Question

MEDAL ANYONE HELP!!!
Multiply. (2n+2)(2n-2)

Answer 1

(a+b)(a-b) = a^2-b^2

Answer 2

just subsitute for that formula, 2n would be a and 2 would be b

Answer 3

4N^2+4 @joanip_

Answer 4

no, just 2n^2-4

Answer 5

WELL THATS NO ONE OF MY OPTIONS
4N^2-4
4N^2-4N-4
4N^2+2N-4
4N^2+4N-4
@JOANIP_

Answer 6

its of type \[(a ^{2}-b ^{2}) = (a+b) (a-b)\]

Answer 7

It's better to learn how to do it rather than looking at a formula.