SOLUTION: (9+2i)+(1-7i)

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Question 134848This question is from textbook algebra and trigonometry structure and method book 2
: (9+2i)+(1-7i) This question is from textbook algebra and trigonometry structure and method book 2

Answer by vleith(2983) About Me  (Show Source):
You can put this solution on YOUR website!
When adding complex numbers, add the real parts together and then add the imaginary parts together. Basically, treat the quantity "i" as just another variable.
Given: %289%2B2i%29%2B%281-7i%29
%289%2B2i%2B+1-7i%29
+9+%2B+1+%2B+2i+-7i
+%289%2B1%29+%2B+i%282-7%29+
+10+-+5i+