(2+2i)(5+3i) step by step (4 steps)

1 answer:

Anni [7]2 years ago

5 0

Answer: 4 + 16i

Step-by-step explanation:

(2 + 2i)(5 + 3i)

= 2(5 + 3i) + 2i(5 + 3i) combine the two factors by multiplication

= 10 + 6i + 10i + 6i² distribute

= 10 + 6i + 10i + 6(-1) substitute -1 for i²

= 4 + 16i add like terms (6i + 10i)

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