# Thread: another question about limits at infinity

1. ## another question about limits at infinity

in the third step, why does the x^4 change to x^2?, distributing divides the power in half?

2. ## Re: another question about limits at infinity

Originally Posted by kingsolomonsgrave

in the third step, why does the x^4 change to x^2?, distributing divides the power in half?
It doesn't, it's been changed to \displaystyle \begin{align*} x^2 \cdot x^2 \end{align*}. It does this so you can divide each term in each of the factors by \displaystyle \begin{align*} x^2 \end{align*}.