Answer
$(q+1)^{2}$
Work Step by Step
$q^{2}+2q+1=$
...does middle term equal $2ab$?
$2q=2(q)(1)$
$=q^{2}+2(q)(1)+1$
...write as the square of a binomial.
$=(q+1)^{2}$
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.