What is -2i radical 5 minus 6i radical 5?
I assume by "radical", you mean "square root". If so, then we have:
[-2i*sqrt(5) - 6i*sqrt(5)]
Simplify the following:
-2 i sqrt(5)-6 i sqrt(5)
-2 (i sqrt(5))-6 (i sqrt(5)) = -8 (i sqrt(5)):
Answer: | -8i sqrt(5)
