15. Simplify. (6 + 5i)(10 – 15i)
A. 135 – 40i
B. 60 – 40i + 75
C...
Mathematics, 04.04.2020 18:17 lizdeleon248
15. Simplify. (6 + 5i)(10 – 15i)
A. 135 – 40i
B. 60 – 40i + 75
C. 60 – 40i – 75i2
D. 81 + 50i
Answers: 3
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