Answer
Doesn't make sense.
Work Step by Step
$(2x+10)(2x-10)=2(x+5)2(x-5)=4(x+5)(x-5)$, thus it is not factored completely, thus the statement doesn't make sense.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.