Question

Simplify the expression
(9− 3i) (−6+ 8i) =

Answer 1

`= 9( - 6 + 8i) - 3i( - 6 + 8i) \\ = - 54 + 72i + 15i - 24 {i}^(2) \\ = - 54 + 87i - 24 {i}^(2)`

ATTACHED IS THE SOLUTION