tytiananijanae4 tytiananijanae4
  • 01-10-2021
  • Mathematics
contestada

Multiply and simplify:
(1 - 5i)(1 -2i)

Respuesta :

darkness880826
darkness880826 darkness880826
  • 01-10-2021

Answer:

-9-7i

Step-by-step explanation:

1) Use the FOIL Method : (a+b)(c+d)=ac+ad+bc+bd

1-2i-5i-10

2) Collect Like Terms

(1-10)+(-2i-5i)

3) Simplify

-9-7i

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