romanjosh55
romanjosh55 romanjosh55
  • 15-06-2020
  • Mathematics
contestada

(−5 + 3i) ⋅ (1 − 2i)

Respuesta :

moin36 moin36
  • 15-06-2020

Answer:

[tex] - 1[/tex]

Step-by-step explanation:

[tex](-5 + 3i) \times (1 - 2i) \\ ( - 5 + 6) \times (1 - 2) \\ ( 1) \times ( - 1) \\ = - 1[/tex]

Answer Link
yanamartynyuk
yanamartynyuk yanamartynyuk
  • 15-06-2020
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
Answer Link

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