Looking for trustworthy answers? Westonci.ca is the ultimate Q&A platform where experts share their knowledge on various topics. Get accurate and detailed answers to your questions from a dedicated community of experts on our Q&A platform. Join our Q&A platform to connect with experts dedicated to providing accurate answers to your questions in various fields.

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]