Question

16 (a + b)2 - 4a - 4b​

Answer 1

Step-by-step explanation:

32a + 32b - 4a - 4b

28a + 28b

(28+ a) (28+b) = (28)²+ (a+b)28+ab

Answer 2

Answer:

hope it may help you out

but I think that the question was wrong