Answer
$x^{2}$+14x+49
Work Step by Step
(x+7)(x+7)=(x)(x)+(x)(7)+(7)(x)+(7)(7)=$x^{2}$+14x+49
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.