Asked by XXX

The roots of the quadratic equation z^2 + az + b = 0 are 2 - 3i and 2 + 3i. What is a + b?
Answered by Damon
(z-2+3i)(z-2-3i) = 0 now multiply
Answered by Alex
This is a question on AOPS look at the transcript nub stop asking for help ask a instructor or your parents instead of looking for a easy way out
Answered by Annonymous
I didn't get this from AOPS.
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