4 Nephi 1:45
1830 Edition
And it came to pass that when three hundred years had passed away, both the people of Nephi and the Lamanites had become exceeding wicked, one like unto another.
Changes
And it came to pass that when three hundred years had passed away, both the people of Nephi and the Lamanites had become exceedingly wicked, one like unto another.
Simple English
When 300 years had passed, both the Nephites and Lamanites had become very wicked. They were just the same.
Paraphrase
By year 300, both Nephites and Lamanites had become equally corrupt—no difference between them.