SOLUTION: Write (-5 + 8i) + (-5 − 8i) as a complex number in standard form.

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Question 881194: Write (-5 + 8i) + (-5 − 8i) as a complex number in standard form.
Answer by jim_thompson5910(35256) About Me  (Show Source):
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(-5 + 8i) + (-5 - 8i)


-5 + 8i - 5 - 8i


(-5-5) + (8i - 8i)


(-5-5) + (8 - 8)i


-10 + 0i


-10


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(-5 + 8i) + (-5 - 8i) = -10