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BARSIC [14]
2 years ago
12

(-3+7i)(1-2i) can you help me with the answer to this

Mathematics
1 answer:
lozanna [386]2 years ago
4 0

Answer:

11 + 13i

Step-by-step explanation:

A must know is that

\sqrt{i}  =  - 1

Complex numbers

1st: foil the equations

- 3(1 - 2i) + 7i(1 - 2i)

- 3 + 6i + 7i- 14 {i}^{2}

2nd Combine like terms and substitute

i ^{2} for \:  - 1

- 3 + 14  + 13i

11  +  13i

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