Question

How do you simplify (−2−2i)(−4−3i)(7+8i)?

Answer 1

(-2-2i){(-4-3i)(7+8i)}

(-2-2i){-28-32i-21i-24i²}

(-2-2i)-28-53i-24i²

56+106i+48i²+56i+106i²+48i³

48i³+154i²+162i+56

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