Originally Posted by Numinous

And you know that these forums don't have an intuitive way to put the 2 in the right place, so kluang just made the notation a2.

Also, if it was a*2, the notation is 2a, not a2.

Fixed and I see what you did there, distribution of the terms, also valid without the adequate brackets.

Edit: see? iIn the reply box a2 was perfect, and when I posted, it became a2. So yeah, it's a^2.