SOLUTION: (7+9i) + (4-15i)

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Question 394769: (7+9i) + (4-15i)
Answer by ewatrrr(24785) About Me  (Show Source):
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Hi

Combining Like terms

(7+9i) + (4-15i) 

 7 + 9i + 4 -15i 

 (7 + 4) +( 9i-15i)

    11 - 6i