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valentinak56 [21]
3 years ago
13

Daine simplified the expression below.

Mathematics
1 answer:
Dennis_Churaev [7]3 years ago
3 0

Answer:

Step-by-step explanation:

8(1 + 2i) -  (7 - 3i) = 8*1 + 8*2i + 7*(-1) - 3i*(-1)

                          = 8 + 16i -7 + 3i

                          = 8 - 7 + 16i + 3i

                          = 1 + 19i

Daniel forgot to multiply 2i by 8

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