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puteri [66]
2 years ago
10

BRAINLIEST!!!

Mathematics
2 answers:
daser333 [38]2 years ago
6 0
(6 + 5i)(10- 15i)
60- 90i +50i - 75i2
60- 40i -75i2
Answer is C
sineoko [7]2 years ago
3 0

Answer:

c)  60-40i-75i^2

Step-by-step explanation:

first you multiply out the brackets then collect like terms to get the answer

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