At Westonci.ca, we connect you with experts who provide detailed answers to your most pressing questions. Start exploring now! Join our platform to get reliable answers to your questions from a knowledgeable community of experts. Explore comprehensive solutions to your questions from knowledgeable professionals across various fields on our platform.

Preform the indicated operation. Write your answer in proper a + bi form.
HELP!!
(4 +√-6) + (8-√-294) -(21 + √-216)


Sagot :

[tex](4 +\sqrt{-6}) + (8-\sqrt{-294}) -(21 + \sqrt{-216})=\\ 4+\sqrt6i+8-7\sqrt6i-21-6\sqrt6i=\\ -9-12\sqrt6i [/tex]