This is LaTeX code:
[latex]
(\omega\cdot 2 + 2)\cdot\omega^\omega = (\omega\cdot 2 + 2)\cdot\omega^{1+\omega} = (\omega\cdot 2 + 2)\cdot\omega\cdot\omega^\omega = \omega^2\cdot\omega^\omega= \omega^{2+\omega}= \omega^\omega
[/latex]