solve (-2+4i) - (3+9i)

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2 Answers

first distrubute the negative into the second expression. Remember,

- times - equals +

+ times - equals -

+ times + equals +

 

multiply everything inside the parenthesis by the -

-3-9i

now you just have to combine all the like terms -2+4i-3-9i

-2-3=-5

+4i-9i=-5i

your final answer is  -5-5i
by Level 4 User (5.3k points)
-5-5i
by
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