(−5 + 3i) ⋅ (1 − 2i)

asked Jul 8, 2021 88.7k views

3 votes

by Sloan

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3 votes

you would FOIL it (first, outer, inner, last)
(-5+3i)(1-2i)
-5+10i+3i+6i^2
add like terms
-5+13i-6i^2
then put in order
-6i^2+13i-5

5.2k points

1 vote

Answer:

Explanation:

$(-5 + 3i) * (1 - 2i) \\ ( - 5 + 6) * (1 - 2) \\ ( 1) * ( - 1) \\ = - 1$

Brian Hicks answered Jul 13, 2021

5.0k points

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