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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15. Simplify. (6 + 5i)(10 – 15i)

A. 135 – 40i

B. 60 – 40i + 75

C...