Complex numbers, rational functions, logarithms, sequences and series, matrix operations, etc.

I'm having trouble solving basic Radical Equations and was wondering if somebody could give me step by step instructions and explanations on how to do this.
Example: K + 2K = -5
6 3 2
MandyMoo

Posts: 1
Joined: Wed Jul 22, 2009 11:51 pm

$\mbox{Example: }\underline{K}+\underline{2K} = \underline{-5}\\6\,3\,2$
If you don't know how to insert equations, could you use sqrt(stuff) to indicate $\sqrt{stuff}$? Thanks!