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Georgia [21]
2 years ago
6

Simplify the expression to a + bi form: (-11 - 7i) (2 +6i)

Mathematics
2 answers:
tester [92]2 years ago
5 0

( - 11 - 7i)(2 + 6i) \\  =  - 22 - 66i - 14i - 42 {i}^{2}  \\  =  - 22 - 80i + 42 \\  = 20 - 80i

I hope I helped you^_^

Rainbow [258]2 years ago
4 0

Answer:

20-80i

Step-by-step explanation:

(-11-7i)(2+6i)

-22-14i-66i-42i^2 where i^2=-1

-22-14i-66i-42(-1)

-22-14i-66i+42

-22+42-14i-66i

20-14i-66i

20-80i

Please mark me as Brainliest if you are satisfied with the answer.

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