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15-12-2020
Mathematics

contestada

Which expression is equivalent to (-7-4i)(6+7i)?

Respuesta :

gabreyou14 gabreyou14

15-12-2020

Answer:

Step-by-step explanation:

-14 - 73 i

Answer Link

15-12-2020

Answer:

-28i^2-73i-42

Step-by-step explanation:

(−7)(6)+(−7)(7i)+(−4x)(6)+(−4i)(7i)

= −42−49i−24i−28i^2

= -28i^2-73i-42

Answer Link

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