Question

Is my formatting for my answer incorrect? Thank you in advance!
http://prntscr.com/35bmyi

Answer 1

\(\bf \cfrac{9+3\sqrt{-25}}{2}\implies \cfrac{9+3\sqrt{25\cdot -1}}{2}\implies \cfrac{9+3\sqrt{25}\sqrt{-1}}{2}
\\ \quad \\
\cfrac{9+3\sqrt{5^2}\ i}{2}\implies \cfrac{9+3\cdot 5\ i}{2}\)

Answer 2

\[\frac{ 9+15i }{ 2 }\] @jdoe0001 is that correct?

Answer 3

Actually: \[\frac{ 9 }{ 2 }+\frac{ 15i }{ 2 }\]