Respuesta :

chloeaiyana123
your answer is: 48i^2-48i+12

1. Using (a-b)^2= a^2-2ab+b^2, expand the expression
2. 3(4-16i+16i^2)
3. Distribute the 3 throughout
4. 12-48i+48i^2
5. reorder the terms
6. Answer is 48i^2-48i+12