Edited Again:
5(3x-1)needs to all be under the radicand, any suggestions?
Hello, cmf0106!
Generally . . . If a symbol is to affect (enclose) a group, use braces.
\sqrt 2x+3 .→ . . . . . . . \sqrt{2x+3} .→ .
10^2x+3 .→ . . . . . . . .10^{2x+3} .→ .
\overline AB .→ . . . . . . . . .\overline{AB} .→ .
\overrightarrow AB .→ . . . . .\overrightarrow{AB} .→ .
\widehat AB .→ . . . . . . . . .\widehat{AB} .→ .