Bind Off at sides not in Middle

[lingo]

This is my first sweater pattern that I am trying to following.....(I am binding off the two sides of my work, not the middle.) I have a pattern that says to bind off the first 25 stitches put the next 26 on holder, then bind off the next 25, How do you get from the first bind off to the second bind off if the yarn is with the first 25? :thinking:
Thanks in advance for help in this

[Old Knitter]

Once you put the center stitches on a holder.......join another ball of yarn and bind off the remaining stitches. If that isn't clear...post back and we'll try again.

Nice to meet you. :D