Answer: 4 + 16i
<u>Step-by-step explanation:</u>
(2 + 2i)(5 + 3i)
= 2(5 + 3i) + 2i(5 + 3i) <em>combine the two factors by multiplication</em>
= 10 + 6i + 10i + 6i² <em>distribute</em>
= 10 + 6i + 10i + 6(-1) <em>substitute -1 for i²</em>
= 4 + 16i <em>add like terms (6i + 10i) </em>
Answer:
X is =12
Step-by-step explanation:
Answer:
X= -12
Step-by-step explanation:
Hope this helps please make me the brainliest!
Answer: u = 4/3
Step-by-step explanation:
Step-by-step explanation:
I'm not sure what you mean by 'written method' but the sum is 2,654.