Respuesta :

We are asked to find the product of two complex numbers:

(-4 - 4i) * (10 + 4i)

Then we use distributive property:

-4 * 10 - 4 * 4 i -4 i * 10 - 16 i^2

-40 - 16 i -40 i + 16

combining like terms:

- 40 + 16 - 16i - 40 i = -24 - 56 i

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