payshencec21 payshencec21

20-02-2019
Mathematics

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PLEASE HELP ASAP 25 PTS + BRAINLIEST TO RIGHT/BEST ANSWER

PLEASE HELP ASAP 25 PTS BRAINLIEST TO RIGHTBEST ANSWER class=

Respuesta :

stivenkristo stivenkristo

20-02-2019

Answer:

1-7i

Step-by-step explanation:

Multiply the parenthesis

-3-4i-3i-4i²

By Definition i²=-1

-3-4i-3i-4 x (-1)

Any expression multiplied by -1 equals its opposite

-3-4i-3i+4

Calculate the sum

1-4i-3i

Collect like terms

1-7i

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