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03-08-2021
Mathematics

contestada

Multiply and simplify the following complex numbers (-4-5i)•(1-i)

Respuesta :

04-08-2021

Answer:

Step-by-step explanation:

(-4 - 5i)⋅(1 - i) = (-4)(1) + (-4)(-i) + (-5i)(1) + (-5i)(-i)

= -4 + 4i - 5i + 5i²

= -4 - i -5

= -9 - i

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