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

1 answer:

5 0

Answer:

A) -20+48i

Step-by-step explanation:

$(4+6i)^2\\(4+6i)(4+6i)\\16+24i+24i+36i^2\\**i^2=-1*\\16+48i+36i^2(-1)\\16+48i-36\\-20+48i$

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