Multiply: \ac3x\ot\acx26\ac{3}{x} \ot \ac{x^2}{6}\ac3x\ot\acx26.
\acx2\ac{x}{2}\acx2
\ac2x\ac{2}{x}\ac2x
\ac3x6\ac{3x}{6}\ac3x6
2x2x2x