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Mathematics 18 Online
OpenStudy (anonymous):

Write the expression (6 − 8i) + (2 + 3i) as a complex number in standard form.

OpenStudy (anonymous):

This is my last one for tonight. i can't seem to get answer in format of choices given: A. 8 − 11i B. 8 − 5i C. 8 + 5i D. 8 + 11i

jimthompson5910 (jim_thompson5910):

Remove the parenthesis. Then group and combine like terms (the real and imaginary parts) (6 − 8i) + (2 + 3i) 6 − 8i + 2 + 3i (6+2) + (-8i + 3i) (8) + (-5i) 8 - 5i

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