Which expression is equivalent to (4 + 6)²?

Answer:
A) -20+48i
Step-by-step explanation:
[tex](4+6i)^2\\(4+6i)(4+6i)\\16+24i+24i+36i^2\\**i^2=-1*\\16+48i+36i^2(-1)\\16+48i-36\\-20+48i[/tex]